forked from OSchip/llvm-project
73 lines
2.4 KiB
LLVM
73 lines
2.4 KiB
LLVM
; RUN: opt %loadPolly -basicaa -polly-stmt-granularity=bb -polly-scops -analyze < %s | FileCheck %s
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;
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; void f(int N, int * restrict sums, int * restrict escape) {
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; int i, j;
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; for (i = 0; i < 1024; i++) {
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; for (j = 0; j < 1024; j++) {
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; sums[i] += 5;
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; escape[N-j] = escape[i] + sums[i-1];
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; }
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; }
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; }
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;
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; CHECK: Reduction Type: NONE
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; CHECK: sums
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; CHECK: Reduction Type: NONE
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; CHECK: sums
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; CHECK: Reduction Type: NONE
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; CHECK: escape
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; CHECK: Reduction Type: NONE
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; CHECK: sums
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; CHECK: Reduction Type: NONE
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; CHECK: escape
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
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define void @f(i32 %N, i32* noalias %sums, i32* noalias %escape) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc10, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc11, %for.inc10 ]
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%exitcond1 = icmp ne i32 %i.0, 1024
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br i1 %exitcond1, label %for.body, label %for.end12
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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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%j.0 = phi i32 [ 0, %for.body ], [ %inc, %for.inc ]
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%exitcond = icmp ne i32 %j.0, 1024
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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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%arrayidx = getelementptr inbounds i32, i32* %sums, i32 %i.0
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%tmp = load i32, i32* %arrayidx, align 4
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%add = add nsw i32 %tmp, 5
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store i32 %add, i32* %arrayidx, align 4
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%arrayidx4 = getelementptr inbounds i32, i32* %escape, i32 %i.0
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%tmp2 = load i32, i32* %arrayidx4, align 4
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%sub = add nsw i32 %i.0, -1
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%arrayidx5 = getelementptr inbounds i32, i32* %sums, i32 %sub
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%tmp3 = load i32, i32* %arrayidx5, align 4
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%add6 = add nsw i32 %tmp2, %tmp3
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%sub7 = sub nsw i32 %N, %i.0
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%add8 = add nsw i32 %sub7, %j.0
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%arrayidx9 = getelementptr inbounds i32, i32* %escape, i32 %add8
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store i32 %add6, i32* %arrayidx9, align 4
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br label %for.inc
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for.inc: ; preds = %for.body3
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%inc = add nsw i32 %j.0, 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.inc10
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for.inc10: ; preds = %for.end
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%inc11 = add nsw i32 %i.0, 1
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br label %for.cond
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for.end12: ; preds = %for.cond
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ret void
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}
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