xref: /llvm-project/llvm/test/Transforms/InstCombine/pr27236.ll (revision b6bd41db31c798f3fc82368381fad6d42795f512)
1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -passes=instcombine < %s | FileCheck %s
3
4define float @test1(i32 %scale) {
5; CHECK-LABEL: @test1(
6; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.smax.i32(i32 [[SCALE:%.*]], i32 1)
7; CHECK-NEXT:    [[TMP2:%.*]] = uitofp nneg i32 [[TMP1]] to float
8; CHECK-NEXT:    ret float [[TMP2]]
9;
10  %1 = icmp sgt i32 1, %scale
11  %2 = select i1 %1, i32 1, i32 %scale
12  %3 = sitofp i32 %2 to float
13  %4 = icmp sgt i32 %2, 0
14  %sel = select i1 %4, float %3, float 0.000000e+00
15  ret float %sel
16}
17