b85c98b4c5
Emit llvm.loop.parallel_accesses metadata instead of llvm.mem.parallel_loop_access. The latter is deprecated because it assumes that LoopIDs are persistent, which they are not. We also emit parallel access metadata for all surrounding parallel loops, not just the innermost parallel.
71 lines
2.9 KiB
LLVM
71 lines
2.9 KiB
LLVM
; RUN: opt %loadPolly -polly-codegen -polly-ast-detect-parallel -S < %s | FileCheck %s
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;
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; Check that we mark multiple parallel loops correctly including the memory instructions.
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;
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; CHECK-DAG: %polly.loop_cond[[COuter:[0-9]*]] = icmp sle i64 %polly.indvar_next{{[0-9]*}}, 1023
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; CHECK-DAG: br i1 %polly.loop_cond[[COuter]], label %polly.loop_header{{[0-9]*}}, label %polly.loop_exit{{[0-9]*}}, !llvm.loop ![[IDOuter:[0-9]*]]
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;
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; CHECK-DAG: %polly.loop_cond[[CInner:[0-9]*]] = icmp sle i64 %polly.indvar_next{{[0-9]*}}, 511
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; CHECK-DAG: br i1 %polly.loop_cond[[CInner]], label %polly.loop_header{{[0-9]*}}, label %polly.loop_exit{{[0-9]*}}, !llvm.loop ![[IDInner:[0-9]*]]
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;
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; CHECK-DAG: store i32 %{{[a-z_0-9]*}}, i32* %{{[a-z_0-9]*}}, {{[ ._!,a-zA-Z0-9]*}}, !llvm.access.group ![[GROUPLST6:[0-9]+]]
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;
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; CHECK-DAG: ![[IDOuter]] = distinct !{![[IDOuter]], ![[ACCGROUP1:[0-9]+]]}
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; CHECK-DAG: ![[ACCGROUP1]] = !{!"llvm.loop.parallel_accesses", ![[GROUP2:[0-9]+]]}
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; CHECK-DAG: ![[GROUP2]] = distinct !{}
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; CHECK-DAG: ![[GROUPLST6]] = !{![[GROUP2]], ![[GROUP7:[0-9]+]]}
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; CHECK-DAG: ![[GROUP7]] = distinct !{}
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; CHECK-DAG: ![[IDInner]] = distinct !{![[IDInner]], ![[ACCGROUP9:[0-9]+]]}
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; CHECK-DAG: ![[ACCGROUP9]] = !{!"llvm.loop.parallel_accesses", ![[GROUP7]]}
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;
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;
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; void jd(int *A) {
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; for (int i = 0; i < 1024; i++)
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; for (int j = 0; j < 512; j++)
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; A[i * 512 + j] = i + j;
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; }
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;
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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define void @jd(i32* %A) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc5, %entry
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%indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc5 ], [ 0, %entry ]
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%exitcond6 = icmp ne i64 %indvars.iv3, 1024
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br i1 %exitcond6, label %for.body, label %for.end7
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for.body: ; preds = %for.cond
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br label %for.cond1
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for.cond1: ; preds = %for.inc, %for.body
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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %for.body ]
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%exitcond = icmp ne i64 %indvars.iv, 512
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br i1 %exitcond, label %for.body3, label %for.end
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for.body3: ; preds = %for.cond1
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%tmp = add nsw i64 %indvars.iv3, %indvars.iv
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%tmp7 = shl nsw i64 %indvars.iv3, 9
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%tmp8 = add nsw i64 %tmp7, %indvars.iv
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%arrayidx = getelementptr inbounds i32, i32* %A, i64 %tmp8
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%tmp9 = trunc i64 %tmp to i32
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store i32 %tmp9, i32* %arrayidx, align 4
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br label %for.inc
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for.inc: ; preds = %for.body3
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
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br label %for.cond1
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for.end: ; preds = %for.cond1
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br label %for.inc5
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for.inc5: ; preds = %for.end
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%indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
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br label %for.cond
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for.end7: ; preds = %for.cond
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ret void
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}
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