xref: /aosp_15_r20/external/llvm/test/Transforms/EarlyCSE/flags.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: opt -early-cse -S < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdeclare void @use(i1)
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Workerdefine void @test1(float %x, float %y) {
6*9880d681SAndroid Build Coastguard Workerentry:
7*9880d681SAndroid Build Coastguard Worker  %cmp1 = fcmp nnan oeq float %y, %x
8*9880d681SAndroid Build Coastguard Worker  %cmp2 = fcmp oeq float %x, %y
9*9880d681SAndroid Build Coastguard Worker  call void @use(i1 %cmp1)
10*9880d681SAndroid Build Coastguard Worker  call void @use(i1 %cmp2)
11*9880d681SAndroid Build Coastguard Worker  ret void
12*9880d681SAndroid Build Coastguard Worker}
13*9880d681SAndroid Build Coastguard Worker
14*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: define void @test1(
15*9880d681SAndroid Build Coastguard Worker; CHECK: %[[cmp:.*]] = fcmp oeq float %y, %x
16*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: call void @use(i1 %[[cmp]])
17*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: call void @use(i1 %[[cmp]])
18*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret void
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