xref: /aosp_15_r20/external/llvm/test/Transforms/Reassociate/fast-AgressiveSubMove.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58) 
1*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -reassociate -S | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Workerdefine float @test1(float %A) {
4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test1
5*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: %X = fadd float %A, 1.000000e+00
6*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: %Y = fadd float %A, 1.000000e+00
7*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: %r = fsub float %X, %Y
8*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret float %r
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Worker  %X = fadd float %A, 1.000000e+00
11*9880d681SAndroid Build Coastguard Worker  %Y = fadd float %A, 1.000000e+00
12*9880d681SAndroid Build Coastguard Worker  %r = fsub float %X, %Y
13*9880d681SAndroid Build Coastguard Worker  ret float %r
14*9880d681SAndroid Build Coastguard Worker}
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerdefine float @test2(float %A) {
17*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test2
18*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret float 0.000000e+00
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Worker  %X = fadd fast float 1.000000e+00, %A
21*9880d681SAndroid Build Coastguard Worker  %Y = fadd fast float 1.000000e+00, %A
22*9880d681SAndroid Build Coastguard Worker  %r = fsub fast float %X, %Y
23*9880d681SAndroid Build Coastguard Worker  ret float %r
24*9880d681SAndroid Build Coastguard Worker}
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