forked from OSchip/llvm-project
61 lines
1.9 KiB
LLVM
61 lines
1.9 KiB
LLVM
; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
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;
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; CHECK: Reduction Type: +
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; CHECK: Reduction Type: +
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; CHECK: Reduction Type: *
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; CHECK: Reduction Type: *
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;
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; void f(int *sums) {
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; for (int i = 0; i < 1024; i++) {
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; for (int j = 0; j < 1024; j++) {
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; sums[i] += 5;
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; sums[i+1024] *= 5;
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; }
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; }
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; }
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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* %sums) {
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entry:
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br label %for.cond
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for.cond: ; preds = %for.inc6, %entry
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%i.0 = phi i32 [ 0, %entry ], [ %inc7, %for.inc6 ]
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%exitcond1 = icmp ne i32 %i.0, 1024
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br i1 %exitcond1, label %for.body, label %for.end8
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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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%add4 = add nsw i32 %i.0, 1024
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%arrayidx5 = getelementptr inbounds i32, i32* %sums, i32 %add4
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%tmp2 = load i32, i32* %arrayidx5, align 4
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%mul = mul nsw i32 %tmp2, 5
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store i32 %mul, i32* %arrayidx5, 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.inc6
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for.inc6: ; preds = %for.end
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%inc7 = add nsw i32 %i.0, 1
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br label %for.cond
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for.end8: ; preds = %for.cond
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ret void
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}
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