6960ace534
This reverts commit d80d5b923c.
It wasn't a particularly important transform to begin with and caused
some codegen regressions on targets that prefer `sitofp` so dropping.
Might re-visit along with adding `nneg` flag to `uitofp` so its easily
reversable for the backend.
17 lines
563 B
LLVM
17 lines
563 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -passes=instcombine < %s | FileCheck %s
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define float @test1(i32 %scale) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: [[TMP1:%.*]] = call i32 @llvm.smax.i32(i32 [[SCALE:%.*]], i32 1)
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; CHECK-NEXT: [[TMP2:%.*]] = sitofp i32 [[TMP1]] to float
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; CHECK-NEXT: ret float [[TMP2]]
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;
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%1 = icmp sgt i32 1, %scale
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%2 = select i1 %1, i32 1, i32 %scale
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%3 = sitofp i32 %2 to float
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%4 = icmp sgt i32 %2, 0
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%sel = select i1 %4, float %3, float 0.000000e+00
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ret float %sel
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}
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