xref: /aosp_15_r20/external/llvm/test/Transforms/InstCombine/pr27236.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -S -instcombine < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine float @test1(i32 %scale) {
4*9880d681SAndroid Build Coastguard Workerentry:
5*9880d681SAndroid Build Coastguard Worker  %tmp1 = icmp sgt i32 1, %scale
6*9880d681SAndroid Build Coastguard Worker  %tmp2 = select i1 %tmp1, i32 1, i32 %scale
7*9880d681SAndroid Build Coastguard Worker  %tmp3 = sitofp i32 %tmp2 to float
8*9880d681SAndroid Build Coastguard Worker  %tmp4 = icmp sgt i32 %tmp2, 0
9*9880d681SAndroid Build Coastguard Worker  %sel = select i1 %tmp4, float %tmp3, float 0.000000e+00
10*9880d681SAndroid Build Coastguard Worker  ret float %sel
11*9880d681SAndroid Build Coastguard Worker}
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define float @test1(
14*9880d681SAndroid Build Coastguard Worker; CHECK:  %[[tmp1:.*]] = icmp slt i32 %scale, 1
15*9880d681SAndroid Build Coastguard Worker; CHECK:  %[[tmp2:.*]] = select i1 %[[tmp1]], i32 1, i32 %scale
16*9880d681SAndroid Build Coastguard Worker; CHECK:  %[[tmp3:.*]] = sitofp i32 %[[tmp2]] to float
17*9880d681SAndroid Build Coastguard Worker; CHECK:  %[[tmp4:.*]] = icmp sgt i32 %[[tmp2]], 0
18*9880d681SAndroid Build Coastguard Worker; CHECK:  %[[sel:.*]] = select i1 %[[tmp4]], float %[[tmp3]], float 0.000000e+00
19*9880d681SAndroid Build Coastguard Worker; CHECK:  ret float %[[sel]]
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