forked from OSchip/llvm-project
54 lines
1.7 KiB
LLVM
54 lines
1.7 KiB
LLVM
; RUN: opt %loadPolly -polly-code-generator=isl -analyze -polly-scops < %s | FileCheck %s
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;
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; Check that RTC generation does not die when accesses are dead.
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;
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; CHECK: Alias Groups (0):
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;
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; void jd(int *A, int *B) {
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; for (int i = 0; i < 1024; i++)
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; for (int j = i; j < 0; j++)
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; A[i] = B[i];
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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, i32* %B) {
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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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%indvars.iv = phi i64 [ %indvars.iv.next, %for.inc6 ], [ 0, %entry ]
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%exitcond = icmp ne i64 %indvars.iv, 1024
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br i1 %exitcond, label %for.body, label %for.end8
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for.body: ; preds = %for.cond
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%tmp = trunc i64 %indvars.iv to i32
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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 [ %tmp, %for.body ], [ %inc, %for.inc ]
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%cmp2 = icmp slt i32 %j.0, 0
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br i1 %cmp2, label %for.body3, label %for.end
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for.body3: ; preds = %for.cond1
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%arrayidx = getelementptr inbounds i32* %B, i64 %indvars.iv
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%tmp1 = load i32* %arrayidx, align 4
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%arrayidx5 = getelementptr inbounds i32* %A, i64 %indvars.iv
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store i32 %tmp1, 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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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 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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