forked from OSchip/llvm-project
47 lines
1.7 KiB
LLVM
47 lines
1.7 KiB
LLVM
; RUN: opt %loadPolly -S -polly-codegen < %s | FileCheck %s
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;
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; This test case has a inner SCEV sdiv that will escape the SCoP. Just check we
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; do not crash and generate valid code.
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;
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; CHECK: polly.split_new_and_old:
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;
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target triple = "x86_64-unknown-linux-gnu"
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define i64 @_vorbis_apply_window(float* %d, i64 %param) {
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entry:
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%0 = load float*, float** undef, align 8
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%div23.neg = sdiv i64 0, -4
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%sub24 = add i64 0, %div23.neg
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br label %for.cond.30.preheader
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for.cond.30.preheader: ; preds = %for.body, %entry
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%sext = shl i64 %sub24, 32
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%conv48.74 = ashr exact i64 %sext, 32
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%div43 = sdiv i64 %param, 2
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%cmp49.75 = icmp slt i64 %conv48.74, 0
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br i1 %cmp49.75, label %for.body.51.lr.ph, label %for.cond.60.preheader
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for.body.51.lr.ph: ; preds = %for.cond.30.preheader
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%div44 = sdiv i64 %div43, 2
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%sub45 = add nsw i64 %div44, 4294967295
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%1 = trunc i64 %sub45 to i32
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%2 = sext i32 %1 to i64
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br label %for.body.51
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for.cond.60.preheader: ; preds = %for.body.51, %for.cond.30.preheader
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%div44.m = phi i64 [%div44, %for.body.51], [ 0, %for.cond.30.preheader]
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br i1 true, label %end, label %for.cond.30.preheader
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end:
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ret i64 %div44.m
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for.body.51: ; preds = %for.body.51, %for.body.51.lr.ph
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%indvars.iv86 = phi i64 [ %2, %for.body.51.lr.ph ], [ undef, %for.body.51 ]
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%arrayidx53 = getelementptr inbounds float, float* %0, i64 %indvars.iv86
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%3 = load float, float* %arrayidx53, align 4
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%arrayidx55 = getelementptr inbounds float, float* %d, i64 0
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%mul56 = fmul float %3, undef
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store float %mul56, float* %arrayidx55, align 4
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br i1 false, label %for.body.51, label %for.cond.60.preheader
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}
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