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08e9ca8730
We had a select of a cast of a select but attempted to replace the outer select with the inner select dispite their incompatible types. Patch by Anton Korobeynikov! This fixes PR27236. llvm-svn: 265805
20 lines
677 B
LLVM
20 lines
677 B
LLVM
; RUN: opt -S -instcombine < %s | FileCheck %s
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define float @test1(i32 %scale) {
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entry:
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%tmp1 = icmp sgt i32 1, %scale
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%tmp2 = select i1 %tmp1, i32 1, i32 %scale
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%tmp3 = sitofp i32 %tmp2 to float
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%tmp4 = icmp sgt i32 %tmp2, 0
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%sel = select i1 %tmp4, float %tmp3, float 0.000000e+00
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ret float %sel
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}
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; CHECK-LABEL: define float @test1(
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; CHECK: %[[tmp1:.*]] = icmp slt i32 %scale, 1
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; CHECK: %[[tmp2:.*]] = select i1 %[[tmp1]], i32 1, i32 %scale
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; CHECK: %[[tmp3:.*]] = sitofp i32 %[[tmp2]] to float
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; CHECK: %[[tmp4:.*]] = icmp sgt i32 %[[tmp2]], 0
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; CHECK: %[[sel:.*]] = select i1 %[[tmp4]], float %[[tmp3]], float 0.000000e+00
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; CHECK: ret float %[[sel]]
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