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81 lines
3.1 KiB
LLVM
81 lines
3.1 KiB
LLVM
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; RUN: opt %loadPolly -basicaa -polly-detect -analyze < %s | FileCheck %s
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;
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; Verify that we allow the lifetime markers for the tmp array.
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;
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; CHECK: Valid Region for Scop: for.cond => for.end13
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;
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; int A[1024];
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; void jd() {
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; for (int i = 0; i < 1024; i++) {
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; int tmp[1024];
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; for (int j = i; j < 1024; j++)
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; tmp[i] += A[j];
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; A[i] = tmp[i];
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; }
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; }
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;
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; ModuleID = 'test/Isl/CodeGen/lifetime_intrinsics.ll'
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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@A = common global [1024 x i32] zeroinitializer, align 16
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; Function Attrs: nounwind uwtable
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define void @jd() #0 {
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entry:
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%tmp = alloca [1024 x i32], align 16
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%tmp3 = bitcast [1024 x i32]* %tmp to i8*
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br label %for.cond
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for.cond: ; preds = %for.inc11, %entry
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%indvars.iv3 = phi i64 [ %indvars.iv.next4, %for.inc11 ], [ 0, %entry ]
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%exitcond5 = icmp ne i64 %indvars.iv3, 1024
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br i1 %exitcond5, label %for.body, label %for.end13
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for.body: ; preds = %for.cond
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call void @llvm.lifetime.start(i64 4096, i8* %tmp3) #1
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br label %for.cond2
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for.cond2: ; preds = %for.inc, %for.body
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%indvars.iv1 = phi i64 [ %indvars.iv.next2, %for.inc ], [ %indvars.iv3, %for.body ]
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%lftr.wideiv = trunc i64 %indvars.iv1 to i32
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%exitcond = icmp ne i32 %lftr.wideiv, 1024
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br i1 %exitcond, label %for.body4, label %for.end
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for.body4: ; preds = %for.cond2
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%arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv1
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%tmp6 = load i32, i32* %arrayidx, align 4
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%arrayidx6 = getelementptr inbounds [1024 x i32], [1024 x i32]* %tmp, i64 0, i64 %indvars.iv3
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%tmp7 = load i32, i32* %arrayidx6, align 4
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%add = add nsw i32 %tmp7, %tmp6
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store i32 %add, i32* %arrayidx6, align 4
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br label %for.inc
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for.inc: ; preds = %for.body4
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%indvars.iv.next2 = add nuw nsw i64 %indvars.iv1, 1
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br label %for.cond2
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for.end: ; preds = %for.cond2
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%arrayidx8 = getelementptr inbounds [1024 x i32], [1024 x i32]* %tmp, i64 0, i64 %indvars.iv3
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%tmp8 = load i32, i32* %arrayidx8, align 4
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%arrayidx10 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv3
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store i32 %tmp8, i32* %arrayidx10, align 4
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br label %for.inc11
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for.inc11: ; preds = %for.end
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%indvars.iv.next4 = add nuw nsw i64 %indvars.iv3, 1
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call void @llvm.lifetime.end(i64 4096, i8* %tmp3) #1
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br label %for.cond
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for.end13: ; preds = %for.cond
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ret void
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}
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; Function Attrs: nounwind
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declare void @llvm.lifetime.start(i64, i8* nocapture) #1
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; Function Attrs: nounwind
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declare void @llvm.lifetime.end(i64, i8* nocapture) #1
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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="true" "use-soft-float"="false" }
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attributes #1 = { nounwind }
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