c86fd3333d
During an update of AAIsDead, new instructions become live. If we query information from them, the result is often just the initial state, e.g., for call site `noreturn` and `nounwind`. We will now trigger an update for cached attributes during the AAIsDead update, though other AAs might later use the same API.
101 lines
3.5 KiB
LLVM
101 lines
3.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
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; RUN: opt -attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_NPM,NOT_CGSCC_OPM,NOT_TUNIT_NPM,IS__TUNIT____,IS________OPM,IS__TUNIT_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor -attributor-manifest-internal -attributor-max-iterations-verify -attributor-annotate-decl-cs -attributor-max-iterations=2 -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_CGSCC_OPM,NOT_CGSCC_NPM,NOT_TUNIT_OPM,IS__TUNIT____,IS________NPM,IS__TUNIT_NPM
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; RUN: opt -attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_NPM,IS__CGSCC____,IS________OPM,IS__CGSCC_OPM
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; RUN: opt -aa-pipeline=basic-aa -passes=attributor-cgscc -attributor-manifest-internal -attributor-annotate-decl-cs -S < %s | FileCheck %s --check-prefixes=CHECK,NOT_TUNIT_NPM,NOT_TUNIT_OPM,NOT_CGSCC_OPM,IS__CGSCC____,IS________NPM,IS__CGSCC_NPM
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;
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; When a function is marked `alwaysinline` and is able to be inlined,
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; we can IPO its boundaries
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; the function is not exactly defined, and marked alwaysinline and can be inlined,
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; so the function can be analyzed
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; CHECK: Function Attrs: alwaysinline
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; CHECK-SAME: willreturn
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define linkonce void @inner1() alwaysinline {
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; CHECK-LABEL: define {{[^@]+}}@inner1()
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret void
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;
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entry:
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ret void
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}
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; CHECK: Function Attrs:
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; CHECK-SAME: willreturn
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define void @outer1() {
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; CHECK-LABEL: define {{[^@]+}}@outer1()
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret void
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;
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entry:
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call void @inner1()
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ret void
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}
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; The function is not alwaysinline and is not exactly defined
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; so it will not be analyzed
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; CHECK-NOT: Function Attrs:
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define linkonce i32 @inner2() {
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; CHECK-LABEL: define {{[^@]+}}@inner2()
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; CHECK-NEXT: entry:
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; CHECK-NEXT: ret i32 1
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;
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entry:
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ret i32 1
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}
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; CHECK-NOT: Function Attrs
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define i32 @outer2() {
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; CHECK-LABEL: define {{[^@]+}}@outer2()
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[R:%.*]] = call i32 @inner2()
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; CHECK-NEXT: ret i32 [[R]]
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;
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entry:
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%r = call i32 @inner2() alwaysinline
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ret i32 %r
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}
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; This function cannot be inlined although it is marked alwaysinline
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; it is `unexactly defined` and alwaysinline but cannot be inlined.
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; so it will not be analyzed
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; CHECK: Function Attrs:
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; CHECK-NOT: nofree
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; CHECK-NOT: nosync
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; CHECK-NOT: nounwind
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; CHECK-NOT: readnone
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define linkonce i32 @inner3(i8* %addr) alwaysinline {
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; CHECK-LABEL: define {{[^@]+}}@inner3
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; CHECK-SAME: (i8* [[ADDR:%.*]])
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; CHECK-NEXT: entry:
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; CHECK-NEXT: indirectbr i8* [[ADDR]], [label [[ONE:%.*]], label %two]
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; CHECK: one:
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; CHECK-NEXT: ret i32 42
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; CHECK: two:
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; CHECK-NEXT: ret i32 44
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;
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entry:
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indirectbr i8* %addr, [ label %one, label %two ]
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one:
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ret i32 42
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two:
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ret i32 44
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}
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; CHECK-NOT: Function Attrs:
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define i32 @outer3(i32 %x) {
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; CHECK-LABEL: define {{[^@]+}}@outer3
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; CHECK-SAME: (i32 [[X:%.*]])
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; CHECK-NEXT: [[CMP:%.*]] = icmp slt i32 [[X]], 42
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; CHECK-NEXT: [[ADDR:%.*]] = select i1 [[CMP]], i8* blockaddress(@inner3, [[ONE:%.*]]), i8* blockaddress(@inner3, [[TWO:%.*]])
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; CHECK-NEXT: [[CALL:%.*]] = call i32 @inner3(i8* [[ADDR]])
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; CHECK-NEXT: ret i32 [[CALL]]
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;
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%cmp = icmp slt i32 %x, 42
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%addr = select i1 %cmp, i8* blockaddress(@inner3, %one), i8* blockaddress(@inner3, %two)
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%call = call i32 @inner3(i8* %addr)
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ret i32 %call
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}
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