[DSE] Switch to MemorySSA-backed DSE by default.
The tests have been updated and I plan to move them from the MSSA directory up. Some end-to-end tests needed small adjustments. One difference to the legacy DSE is that legacy DSE also deletes trivially dead instructions that are unrelated to memory operations. Because MemorySSA-backed DSE just walks the MemorySSA, we only visit/check memory instructions. But removing unrelated dead instructions is not really DSE's job and other passes will clean up. One noteworthy change is in llvm/test/Transforms/Coroutines/ArgAddr.ll, but I think this comes down to legacy DSE not handling instructions that may throw correctly in that case. To cover this with MemorySSA-backed DSE, we need an update to llvm.coro.begin to treat it's return value to belong to the same underlying object as the passed pointer. There are some minor cases MemorySSA-backed DSE currently misses, e.g. related to atomic operations, but I think those can be implemented after the switch. This has been discussed on llvm-dev: http://lists.llvm.org/pipermail/llvm-dev/2020-August/144417.html For the MultiSource/SPEC2000/SPEC2006 the number of eliminated stores goes from ~17500 (legayc DSE) to ~26300 (MemorySSA-backed). More numbers and details in the thread on llvm-dev. Impact on CTMark: ``` Legacy Pass Manager exec instrs size-text O3 + 0.60% - 0.27% ReleaseThinLTO + 1.00% - 0.42% ReleaseLTO-g. + 0.77% - 0.33% RelThinLTO (link only) + 0.87% - 0.42% RelLO-g (link only) + 0.78% - 0.33% ``` http://llvm-compile-time-tracker.com/compare.php?from=3f22e96d95c71ded906c67067d75278efb0a2525&to=ae8be4642533ff03803967ee9d7017c0d73b0ee0&stat=instructions ``` New Pass Manager exec instrs. size-text O3 + 0.95% - 0.25% ReleaseThinLTO + 1.34% - 0.41% ReleaseLTO-g. + 1.71% - 0.35% RelThinLTO (link only) + 0.96% - 0.41% RelLO-g (link only) + 2.21% - 0.35% ``` http://195.201.131.214:8000/compare.php?from=3f22e96d95c71ded906c67067d75278efb0a2525&to=ae8be4642533ff03803967ee9d7017c0d73b0ee0&stat=instructions Reviewed By: asbirlea, xbolva00, nikic Differential Revision: https://reviews.llvm.org/D87163
This commit is contained in:
@@ -131,12 +131,12 @@
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; CHECK-O: Running pass: JumpThreadingPass on main
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; CHECK-O: Running pass: CorrelatedValuePropagationPass on main
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; CHECK-O: Running pass: DSEPass on main
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; CHECK-O: Running analysis: PostDominatorTreeAnalysis on main
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; CHECK-O: Starting {{.*}}Function pass manager run.
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; CHECK-O: Running pass: LoopSimplifyPass on main
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; CHECK-O: Running pass: LCSSAPass on main
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; CHECK-O: Finished {{.*}}Function pass manager run.
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; CHECK-O: Running pass: ADCEPass on main
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; CHECK-O: Running analysis: PostDominatorTreeAnalysis on main
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; CHECK-O: Running pass: SimplifyCFGPass on main
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; CHECK-O: Running pass: InstCombinePass on main
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; CHECK-O: Finished {{.*}}Function pass manager run.
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@@ -59,9 +59,6 @@ int f2() {
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// CHECK-NEXT: [[T1:%.*]] = load i32, i32* [[X]]
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// CHECK-NEXT: [[T2:%.*]] = add nsw i32 [[T1]], -1
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// This store is dead.
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// CHECK-NEXT: store i32 [[T2]], i32* [[X]]
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// CHECK: store i32 6, i32* [[X]]
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x++;
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// CHECK-NEXT: call void asm sideeffect "", "*m,*m"(i32* nonnull [[X]]
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@@ -106,7 +106,7 @@ EnablePartialStoreMerging("enable-dse-partial-store-merging",
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cl::desc("Enable partial store merging in DSE"));
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static cl::opt<bool>
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EnableMemorySSA("enable-dse-memoryssa", cl::init(false), cl::Hidden,
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EnableMemorySSA("enable-dse-memoryssa", cl::init(true), cl::Hidden,
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cl::desc("Use the new MemorySSA-backed DSE."));
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static cl::opt<unsigned>
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@@ -82,6 +82,7 @@ define void @test3a(i8* %P, i8 %X) {
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store i8 %Y, i8* %P2
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call void @llvm.lifetime.end.p0i8(i64 10, i8* %P)
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ret void
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; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(i64 10, i8* %P)
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; CHECK-NEXT: ret void
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}
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@@ -511,15 +511,14 @@
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; GCN-O2-NEXT: Value Propagation
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; GCN-O2-NEXT: Basic Alias Analysis (stateless AA impl)
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; GCN-O2-NEXT: Function Alias Analysis Results
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; GCN-O2-NEXT: Phi Values Analysis
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; GCN-O2-NEXT: Memory Dependence Analysis
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; GCN-O2-NEXT: Dead Store Elimination
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; GCN-O2-NEXT: Function Alias Analysis Results
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; GCN-O2-NEXT: Post-Dominator Tree Construction
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; GCN-O2-NEXT: Memory SSA
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; GCN-O2-NEXT: Dead Store Elimination
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; GCN-O2-NEXT: Natural Loop Information
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; GCN-O2-NEXT: Canonicalize natural loops
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; GCN-O2-NEXT: LCSSA Verifier
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; GCN-O2-NEXT: Loop-Closed SSA Form Pass
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; GCN-O2-NEXT: Function Alias Analysis Results
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; GCN-O2-NEXT: Scalar Evolution Analysis
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; GCN-O2-NEXT: Loop Pass Manager
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; GCN-O2-NEXT: Loop Invariant Code Motion
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@@ -871,15 +870,14 @@
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; GCN-O3-NEXT: Value Propagation
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; GCN-O3-NEXT: Basic Alias Analysis (stateless AA impl)
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; GCN-O3-NEXT: Function Alias Analysis Results
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; GCN-O3-NEXT: Phi Values Analysis
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; GCN-O3-NEXT: Memory Dependence Analysis
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; GCN-O3-NEXT: Dead Store Elimination
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; GCN-O3-NEXT: Function Alias Analysis Results
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; GCN-O3-NEXT: Post-Dominator Tree Construction
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; GCN-O3-NEXT: Memory SSA
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; GCN-O3-NEXT: Dead Store Elimination
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; GCN-O3-NEXT: Natural Loop Information
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; GCN-O3-NEXT: Canonicalize natural loops
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; GCN-O3-NEXT: LCSSA Verifier
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; GCN-O3-NEXT: Loop-Closed SSA Form Pass
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; GCN-O3-NEXT: Function Alias Analysis Results
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; GCN-O3-NEXT: Scalar Evolution Analysis
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; GCN-O3-NEXT: Loop Pass Manager
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; GCN-O3-NEXT: Loop Invariant Code Motion
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@@ -205,6 +205,7 @@
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; CHECK-O23SZ-NEXT: Running pass: CorrelatedValuePropagationPass
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; CHECK-O23SZ-NEXT: Invalidating analysis: LazyValueAnalysis
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; CHECK-O23SZ-NEXT: Running pass: DSEPass
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; CHECK-O23SZ-NEXT: Running analysis: PostDominatorTreeAnalysis
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; CHECK-O23SZ-NEXT: Starting llvm::Function pass manager run.
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; CHECK-O23SZ-NEXT: Running pass: LoopSimplifyPass
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; CHECK-O23SZ-NEXT: Running pass: LCSSAPass
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@@ -212,7 +213,7 @@
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; CHECK-O23SZ-NEXT: Running pass: LICMPass
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; CHECK-EP-SCALAR-LATE-NEXT: Running pass: NoOpFunctionPass
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; CHECK-O-NEXT: Running pass: ADCEPass
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; CHECK-O-NEXT: Running analysis: PostDominatorTreeAnalysis
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; CHECK-O1-NEXT: Running analysis: PostDominatorTreeAnalysis
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; CHECK-O-NEXT: Running pass: SimplifyCFGPass
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; CHECK-O-NEXT: Running pass: InstCombinePass
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; CHECK-EP-PEEPHOLE-NEXT: Running pass: NoOpFunctionPass
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@@ -87,6 +87,8 @@
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; CHECK-O2-NEXT: Running analysis: PhiValuesAnalysis
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; CHECK-O2-NEXT: Running pass: MemCpyOptPass on foo
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; CHECK-O2-NEXT: Running pass: DSEPass on foo
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; CHECK-O2-NEXT: Running analysis: MemorySSAAnalysis on foo
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; CHECK-O2-NEXT: Running analysis: PostDominatorTreeAnalysis on foo
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; CHECK-O2-NEXT: Running pass: InstCombinePass on foo
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; CHECK-O2-NEXT: Running pass: SimplifyCFGPass on foo
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; CHECK-O2-NEXT: Running pass: SCCPPass on foo
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@@ -178,13 +178,14 @@
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; CHECK-O23SZ-NEXT: Running pass: CorrelatedValuePropagationPass
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; CHECK-O23SZ-NEXT: Invalidating analysis: LazyValueAnalysis
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; CHECK-O23SZ-NEXT: Running pass: DSEPass
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; CHECK-O23SZ-NEXT: Running analysis: PostDominatorTreeAnalysis on foo
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; CHECK-O23SZ-NEXT: Starting llvm::Function pass manager run
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; CHECK-O23SZ-NEXT: Running pass: LoopSimplifyPass
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; CHECK-O23SZ-NEXT: Running pass: LCSSAPass
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; CHECK-O23SZ-NEXT: Finished llvm::Function pass manager run
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; CHECK-O23SZ-NEXT: Running pass: LICMPass on Loop at depth 1 containing: %loop
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; CHECK-O-NEXT: Running pass: ADCEPass
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; CHECK-O-NEXT: Running analysis: PostDominatorTreeAnalysis
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; CHECK-O1-NEXT: Running analysis: PostDominatorTreeAnalysis
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; CHECK-O-NEXT: Running pass: SimplifyCFGPass
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; CHECK-O-NEXT: Running pass: InstCombinePass
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; CHECK-O-NEXT: Finished llvm::Function pass manager run.
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@@ -158,15 +158,14 @@
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; CHECK-NEXT: Value Propagation
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Phi Values Analysis
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; CHECK-NEXT: Memory Dependence Analysis
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; CHECK-NEXT: Dead Store Elimination
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Post-Dominator Tree Construction
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; CHECK-NEXT: Memory SSA
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; CHECK-NEXT: Dead Store Elimination
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Canonicalize natural loops
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; CHECK-NEXT: LCSSA Verifier
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; CHECK-NEXT: Loop-Closed SSA Form Pass
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Loop Pass Manager
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; CHECK-NEXT: Loop Invariant Code Motion
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@@ -163,15 +163,14 @@
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; CHECK-NEXT: Value Propagation
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Phi Values Analysis
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; CHECK-NEXT: Memory Dependence Analysis
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; CHECK-NEXT: Dead Store Elimination
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Post-Dominator Tree Construction
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; CHECK-NEXT: Memory SSA
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; CHECK-NEXT: Dead Store Elimination
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Canonicalize natural loops
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; CHECK-NEXT: LCSSA Verifier
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; CHECK-NEXT: Loop-Closed SSA Form Pass
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Loop Pass Manager
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; CHECK-NEXT: Loop Invariant Code Motion
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@@ -163,15 +163,14 @@
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; CHECK-NEXT: Value Propagation
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Phi Values Analysis
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; CHECK-NEXT: Memory Dependence Analysis
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; CHECK-NEXT: Dead Store Elimination
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Post-Dominator Tree Construction
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; CHECK-NEXT: Memory SSA
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; CHECK-NEXT: Dead Store Elimination
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Canonicalize natural loops
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; CHECK-NEXT: LCSSA Verifier
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; CHECK-NEXT: Loop-Closed SSA Form Pass
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Loop Pass Manager
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; CHECK-NEXT: Loop Invariant Code Motion
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@@ -144,15 +144,14 @@
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; CHECK-NEXT: Value Propagation
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; CHECK-NEXT: Basic Alias Analysis (stateless AA impl)
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Phi Values Analysis
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; CHECK-NEXT: Memory Dependence Analysis
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; CHECK-NEXT: Dead Store Elimination
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Post-Dominator Tree Construction
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; CHECK-NEXT: Memory SSA
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; CHECK-NEXT: Dead Store Elimination
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; CHECK-NEXT: Natural Loop Information
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; CHECK-NEXT: Canonicalize natural loops
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; CHECK-NEXT: LCSSA Verifier
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; CHECK-NEXT: Loop-Closed SSA Form Pass
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; CHECK-NEXT: Function Alias Analysis Results
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; CHECK-NEXT: Scalar Evolution Analysis
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; CHECK-NEXT: Loop Pass Manager
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; CHECK-NEXT: Loop Invariant Code Motion
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@@ -46,8 +46,18 @@ entry:
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call void @llvm.coro.destroy(i8* %hdl)
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ret i32 0
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; CHECK: call void @ctor
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; CHECK-NEXT: %dec1.spill.addr.i = getelementptr inbounds i8, i8* %call.i, i64 16
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; CHECK-NEXT: bitcast i8* %dec1.spill.addr.i to i32*
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; CHECK-NEXT: store i32 4
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; CHECK-NEXT: call void @print(i32 4)
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; CHECK-NEXT: %index.addr5.i = getelementptr inbounds i8, i8* %call.i, i64 20
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; CHECK-NEXT: bitcast i8* %index.addr5.i to i1*
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; CHECK-NEXT: store i1 false
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; CHECK-NEXT: call void @llvm.lifetime.end.p0i8(
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; CHECK-NEXT: store i32 3
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; CHECK-NEXT: call void @print(i32 3)
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; CHECK-NEXT: store i1 false
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; CHECK-NEXT: store i32 2
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; CHECK-NEXT: call void @print(i32 2)
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; CHECK: ret i32 0
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}
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@@ -74,7 +74,6 @@ entry:
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; CHECK-NEXT: call void @print(i32 [[INC]])
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; CHECK-NEXT: [[LOAD:%.*]] = load i32, i32* [[SLOT]], align 4
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; CHECK-NEXT: [[INC:%.*]] = add i32 [[LOAD]], 1
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; CHECK-NEXT: store i32 [[INC]], i32* [[SLOT]], align 4
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; CHECK-NEXT: call void @print(i32 [[INC]])
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; CHECK-NEXT: ret i32 0
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@@ -1,4 +1,4 @@
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; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
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; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
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; PR9561
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128-n8:16:32"
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target triple = "i386-apple-darwin9.8"
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@@ -1,4 +1,4 @@
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; RUN: opt -dse -enable-dse-memoryssa -S < %s | FileCheck %s
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; RUN: opt -dse -S < %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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target triple = "x86_64-apple-darwin"
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@@ -1,4 +1,4 @@
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; RUN: opt -dse -enable-dse-memoryssa -S < %s | FileCheck %s
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; RUN: opt -dse -S < %s | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-f128:128:128-n8:16:32:64"
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target triple = "x86_64-unknown-linux-gnu"
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@@ -1,4 +1,4 @@
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; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S -enable-dse-partial-overwrite-tracking | FileCheck %s
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; RUN: opt < %s -basic-aa -dse -S -enable-dse-partial-overwrite-tracking | FileCheck %s
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; PR28588
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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@@ -1,5 +1,5 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
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; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
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define void @write4to7(i32* nocapture %p) {
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; CHECK-LABEL: @write4to7(
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@@ -1,5 +1,5 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
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; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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%struct.vec2 = type { <4 x i32>, <4 x i32> }
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@@ -1,4 +1,4 @@
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; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -enable-dse-partial-store-merging=false -S | FileCheck %s
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; RUN: opt < %s -basic-aa -dse -enable-dse-partial-store-merging=false -S | FileCheck %s
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target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
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||||
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||||
; Ensure that the dead store is deleted in this case. It is wholely
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@@ -1,6 +1,6 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s --data-layout "e" -dse -enable-dse-memoryssa -enable-dse-partial-store-merging=true -S | FileCheck --check-prefix CHECK --check-prefix CHECK-LE %s
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; RUN: opt < %s --data-layout "E" -dse -enable-dse-memoryssa -enable-dse-partial-store-merging=true -S | FileCheck --check-prefix CHECK --check-prefix CHECK-BE %s
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; RUN: opt < %s --data-layout "e" -dse -enable-dse-partial-store-merging=true -S | FileCheck --check-prefix CHECK --check-prefix CHECK-LE %s
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; RUN: opt < %s --data-layout "E" -dse -enable-dse-partial-store-merging=true -S | FileCheck --check-prefix CHECK --check-prefix CHECK-BE %s
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||||
; This test used to hit an assertion (see PR41949).
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||||
;
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||||
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||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -dse -enable-dse-memoryssa -S | FileCheck %s
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; RUN: opt < %s -dse -S | FileCheck %s
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||||
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; Both stores should be emitted because we can't tell if the gather aliases.
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||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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||||
; RUN: opt -dse -enable-dse-memoryssa %s -S | FileCheck %s
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||||
; RUN: opt -dse %s -S | FileCheck %s
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||||
|
||||
target datalayout = "e-m:o-p:32:32-Fi8-i64:64-a:0:32-n32-S128"
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; XFAIL: *
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||||
; RUN: opt -basic-aa -dse -enable-dse-memoryssa -S < %s | FileCheck %s
|
||||
; RUN: opt -basic-aa -dse -S < %s | FileCheck %s
|
||||
|
||||
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
|
||||
target triple = "x86_64-apple-macosx10.7.0"
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -basic-aa -dse -enable-dse-memoryssa -S < %s | FileCheck %s
|
||||
; RUN: opt -basic-aa -dse -S < %s | FileCheck %s
|
||||
|
||||
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
|
||||
target triple = "x86_64-apple-macosx10.7.0"
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
declare noalias i8* @calloc(i64, i64)
|
||||
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -S -dse -enable-dse-memoryssa -enable-dse-partial-store-merging=false < %s | FileCheck --check-prefixes=CHECK,DEFAULT-LIMIT %s
|
||||
; RUN: opt -S -dse -enable-dse-memoryssa -enable-dse-partial-store-merging=false -dse-memoryssa-partial-store-limit=10 < %s | FileCheck --check-prefixes=CHECK,LARGER-LIMIT %s
|
||||
; RUN: opt -S -dse -enable-dse-partial-store-merging=false < %s | FileCheck --check-prefixes=CHECK,DEFAULT-LIMIT %s
|
||||
; RUN: opt -S -dse -enable-dse-partial-store-merging=false -dse-memoryssa-partial-store-limit=10 < %s | FileCheck --check-prefixes=CHECK,LARGER-LIMIT %s
|
||||
target datalayout = "E-m:e-i64:64-n32:64"
|
||||
target triple = "powerpc64le-unknown-linux"
|
||||
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt -basic-aa -dse -enable-dse-memoryssa -S < %s | FileCheck %s
|
||||
; RUN: opt -basic-aa -dse -S < %s | FileCheck %s
|
||||
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
||||
|
||||
%t = type { i32 }
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S
|
||||
; RUN: opt < %s -basic-aa -dse -S
|
||||
|
||||
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
|
||||
target triple = "i386-apple-darwin10.0"
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt -basic-aa -dse -enable-dse-memoryssa -S < %s | FileCheck %s
|
||||
; RUN: opt -basic-aa -dse -S < %s | FileCheck %s
|
||||
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
||||
target triple = "x86_64-unknown-linux-gnu"
|
||||
|
||||
|
||||
@@ -3,16 +3,16 @@
|
||||
; REQUIRES: asserts
|
||||
|
||||
; Eliminates store to %R in the entry block.
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -debug-counter=dse-memoryssa-skip=0,dse-memoryssa-count=1 -S | FileCheck --check-prefix=SKIP0-COUNT1 %s
|
||||
; RUN: opt < %s -basic-aa -dse -debug-counter=dse-memoryssa-skip=0,dse-memoryssa-count=1 -S | FileCheck --check-prefix=SKIP0-COUNT1 %s
|
||||
|
||||
; Eliminates store to %P in the entry block.
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -debug-counter=dse-memoryssa-skip=1,dse-memoryssa-count=1 -S | FileCheck --check-prefix=SKIP1-COUNT1 %s
|
||||
; RUN: opt < %s -basic-aa -dse -debug-counter=dse-memoryssa-skip=1,dse-memoryssa-count=1 -S | FileCheck --check-prefix=SKIP1-COUNT1 %s
|
||||
|
||||
; Eliminates both stores in the entry block.
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -debug-counter=dse-memoryssa-skip=0,dse-memoryssa-count=2 -S | FileCheck --check-prefix=SKIP0-COUNT2 %s
|
||||
; RUN: opt < %s -basic-aa -dse -debug-counter=dse-memoryssa-skip=0,dse-memoryssa-count=2 -S | FileCheck --check-prefix=SKIP0-COUNT2 %s
|
||||
|
||||
; Eliminates no stores.
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -debug-counter=dse-memoryssa-skip=2,dse-memoryssa-count=1 -S | FileCheck --check-prefix=SKIP2-COUNT1 %s
|
||||
; RUN: opt < %s -basic-aa -dse -debug-counter=dse-memoryssa-skip=2,dse-memoryssa-count=1 -S | FileCheck --check-prefix=SKIP2-COUNT1 %s
|
||||
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt < %s -debugify -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -debugify -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
|
||||
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt -dse -enable-dse-memoryssa -disable-output < %s
|
||||
; RUN: opt -dse -disable-output < %s
|
||||
; test that we don't crash
|
||||
declare void @bar()
|
||||
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
; XFAIL: *
|
||||
|
||||
; RUN: opt -S -basic-aa -dse -enable-dse-memoryssa < %s | FileCheck %s
|
||||
; RUN: opt -S -basic-aa -dse < %s | FileCheck %s
|
||||
|
||||
; We DSE stack alloc'ed and byval locations, in the presence of fences.
|
||||
; Fence does not make an otherwise thread local store visible.
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt -S -basic-aa -dse -enable-dse-memoryssa < %s | FileCheck %s
|
||||
; RUN: opt -S -basic-aa -dse < %s | FileCheck %s
|
||||
|
||||
; We conservative choose to prevent dead store elimination
|
||||
; across release or stronger fences. It's not required
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
target datalayout = "e-p:64:64:64"
|
||||
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt -S -dse -enable-dse-memoryssa < %s | FileCheck %s
|
||||
; RUN: opt -S -dse < %s | FileCheck %s
|
||||
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
|
||||
|
||||
; This test is not relevant for DSE with MemorySSA. Non-memory instructions
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt -S < %s -dse -enable-dse-memoryssa | FileCheck %s
|
||||
; RUN: opt -S < %s -dse | FileCheck %s
|
||||
|
||||
declare void @llvm.sideeffect()
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; Test to make sure llvm.invariant.start calls are not treated as clobbers.
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
declare {}* @llvm.invariant.start.p0i8(i64, i8* nocapture) nounwind readonly
|
||||
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
; CHECK-LABEL: void @skipBarrier(i8* %ptr)
|
||||
define void @skipBarrier(i8* %ptr) {
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -S -inferattrs -basic-aa -dse -enable-dse-memoryssa < %s | FileCheck %s
|
||||
; RUN: opt -S -inferattrs -basic-aa -dse < %s | FileCheck %s
|
||||
|
||||
target triple = "x86_64-unknown-linux-gnu"
|
||||
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt -S -basic-aa -dse -enable-dse-memoryssa < %s | FileCheck %s
|
||||
; RUN: opt -S -basic-aa -dse < %s | FileCheck %s
|
||||
|
||||
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; RUN: opt -S -dse -enable-dse-memoryssa -dse-memoryssa-scanlimit=2 < %s | FileCheck %s
|
||||
; RUN: opt -S -strip-debug -dse -enable-dse-memoryssa -dse-memoryssa-scanlimit=2 < %s | FileCheck %s
|
||||
; RUN: opt -S -dse -dse-memoryssa-scanlimit=2 < %s | FileCheck %s
|
||||
; RUN: opt -S -strip-debug -dse -dse-memoryssa-scanlimit=2 < %s | FileCheck %s
|
||||
|
||||
; Test case to check that DSE gets the same result even if we have a dbg value
|
||||
; between the memcpy.
|
||||
|
||||
@@ -1,8 +1,8 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
|
||||
; XFAIL: *
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -S | FileCheck %s
|
||||
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
|
||||
|
||||
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -S -dse -enable-dse-memoryssa < %s | FileCheck %s
|
||||
; RUN: opt -S -dse < %s | FileCheck %s
|
||||
|
||||
declare void @llvm.memcpy.p0i8.p0i8.i8(i8* nocapture, i8* nocapture, i8, i1) nounwind
|
||||
declare void @llvm.memmove.p0i8.p0i8.i8(i8* nocapture, i8* nocapture, i8, i1) nounwind
|
||||
|
||||
@@ -1,9 +1,9 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck --check-prefix=NO-LIMIT %s
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -dse-memoryssa-scanlimit=0 -S | FileCheck --check-prefix=LIMIT-0 %s
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -dse-memoryssa-scanlimit=2 -S | FileCheck --check-prefix=LIMIT-2 %s
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -dse-memoryssa-scanlimit=3 -S | FileCheck --check-prefix=LIMIT-3 %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck --check-prefix=NO-LIMIT %s
|
||||
; RUN: opt < %s -basic-aa -dse -dse-memoryssa-scanlimit=0 -S | FileCheck --check-prefix=LIMIT-0 %s
|
||||
; RUN: opt < %s -basic-aa -dse -dse-memoryssa-scanlimit=2 -S | FileCheck --check-prefix=LIMIT-2 %s
|
||||
; RUN: opt < %s -basic-aa -dse -dse-memoryssa-scanlimit=3 -S | FileCheck --check-prefix=LIMIT-3 %s
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa=false -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -S | FileCheck %s
|
||||
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
|
||||
|
||||
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind
|
||||
|
||||
@@ -2,7 +2,7 @@
|
||||
; Test that the getelementptr generated when the dse pass determines that
|
||||
; a memset can be shortened has the debugloc carried over from the memset.
|
||||
|
||||
; RUN: opt -S -march=native -dse -enable-dse-memoryssa < %s| FileCheck %s
|
||||
; RUN: opt -S -march=native -dse < %s| FileCheck %s
|
||||
; CHECK: bitcast [5 x i64]* %{{[a-zA-Z_][a-zA-Z0-9_]*}} to i8*, !dbg
|
||||
; CHECK-NEXT: %{{[0-9]+}} = getelementptr inbounds i8, i8* %0, i64 32, !dbg ![[DBG:[0-9]+]]
|
||||
; CHECK-NEXT: call void @llvm.memset.p0i8.i64(i8* align 16 %1, i8 0, i64 8, i1 false), !dbg ![[DBG:[0-9]+]]
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -dse -enable-dse-memoryssa -S %s | FileCheck %s
|
||||
; RUN: opt -dse -S %s | FileCheck %s
|
||||
|
||||
declare i8* @_Znwm() local_unnamed_addr #0
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -dse -enable-dse-memoryssa -enable-dse-partial-store-merging -S < %s | FileCheck %s
|
||||
; RUN: opt -dse -enable-dse-partial-store-merging -S < %s | FileCheck %s
|
||||
target datalayout = "E-m:e-i64:64-i128:128-n32:64-S128"
|
||||
|
||||
define void @byte_by_byte_replacement(i32 *%ptr) {
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -dse -enable-dse-memoryssa -enable-dse-partial-store-merging -S < %s | FileCheck %s
|
||||
; RUN: opt -dse -enable-dse-partial-store-merging -S < %s | FileCheck %s
|
||||
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-f128:128:128-n8:16:32:64"
|
||||
|
||||
define void @byte_by_byte_replacement(i32 *%ptr) {
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
|
||||
|
||||
declare void @f()
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) nounwind
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
declare void @unknown_func()
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
declare void @unknown_func()
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -dse -enable-dse-memoryssa %s -S | FileCheck --check-prefixes=CHECK,DEFAULT-LIMIT %s
|
||||
; RUN: opt -dse -enable-dse-memoryssa -dse-memoryssa-partial-store-limit=10 %s -S | FileCheck --check-prefixes=CHECK,LARGER-LIMIT %s
|
||||
; RUN: opt -dse %s -S | FileCheck --check-prefixes=CHECK,DEFAULT-LIMIT %s
|
||||
; RUN: opt -dse -dse-memoryssa-partial-store-limit=10 %s -S | FileCheck --check-prefixes=CHECK,LARGER-LIMIT %s
|
||||
|
||||
|
||||
%struct.ham = type { [3 x double], [3 x double]}
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
|
||||
declare void @unknown_func()
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -dse -enable-dse-memoryssa -S %s | FileCheck %s
|
||||
; RUN: opt -dse -S %s | FileCheck %s
|
||||
|
||||
target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
|
||||
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt -basic-aa -dse -enable-dse-memoryssa -S < %s | FileCheck %s
|
||||
; RUN: opt -basic-aa -dse -S < %s | FileCheck %s
|
||||
|
||||
declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i1) nounwind
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -S | FileCheck %s
|
||||
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
|
||||
|
||||
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
|
||||
declare noalias i8* @malloc(i64) "malloc-like"
|
||||
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -S | FileCheck %s
|
||||
|
||||
declare void @use(i64*)
|
||||
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt -basic-aa -dse -enable-dse-memoryssa -S < %s | FileCheck %s
|
||||
; RUN: opt -basic-aa -dse -S < %s | FileCheck %s
|
||||
; PR11390
|
||||
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
|
||||
target triple = "x86_64-unknown-linux-gnu"
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt -dse -enable-dse-memoryssa -S %s | FileCheck %s
|
||||
; RUN: opt -dse -S %s | FileCheck %s
|
||||
|
||||
@b = local_unnamed_addr global i32 0, align 4
|
||||
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -enable-dse-memoryssa -enable-knowledge-retention -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -enable-knowledge-retention -S | FileCheck %s
|
||||
|
||||
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
|
||||
|
||||
|
||||
@@ -1,7 +1,7 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; XFAIL: *
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -S | FileCheck %s
|
||||
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
|
||||
|
||||
; Remove redundant store if loaded value is in another block inside a loop.
|
||||
|
||||
@@ -1,6 +1,6 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -enable-dse-memoryssa -S | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -S | FileCheck %s
|
||||
; RUN: opt < %s -aa-pipeline=basic-aa -passes=dse -S | FileCheck %s
|
||||
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128"
|
||||
|
||||
declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i1) nounwind
|
||||
|
||||
@@ -1,5 +1,5 @@
|
||||
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||||
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -stats -S 2>&1 | FileCheck %s
|
||||
; RUN: opt < %s -basic-aa -dse -stats -S 2>&1 | FileCheck %s
|
||||
|
||||
; REQUIRES: asserts
|
||||
|
||||
|
||||
@@ -1,4 +1,4 @@
|
||||
; RUN: opt -dse -enable-dse-memoryssa -S < %s | FileCheck %s
|
||||
; RUN: opt -dse -S < %s | FileCheck %s
|
||||
|
||||
; Don't eliminate stores to allocas before tail calls to functions that use
|
||||
; byval. It's correct to mark calls like these as 'tail'. To implement this tail
|
||||
|
||||
@@ -73,8 +73,11 @@ define void @test3(%0* noalias sret %agg.result) nounwind {
|
||||
call void @llvm.memcpy.p0i8.p0i8.i32(i8* align 16 %agg.result2, i8* align 16 %x.01, i32 32, i1 false)
|
||||
ret void
|
||||
; CHECK-LABEL: @test3(
|
||||
; CHECK-NEXT: %x.0 = alloca
|
||||
; CHECK-NEXT: %x.01 = bitcast
|
||||
; CHECK-NEXT: %agg.result1 = bitcast
|
||||
; CHECK-NEXT: call void @llvm.memcpy
|
||||
; CHECK-NEXT: %agg.result2 = bitcast
|
||||
; CHECK-NEXT: ret void
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user