1*9880d681SAndroid Build Coastguard Worker; RUN: llc -fp-contract=fast -mattr=+fma -disable-cgp < %s -o - | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; Check that the 2nd and 3rd arguments of fmaXXX231 reg1, reg2, mem3 are not commuted. 3*9880d681SAndroid Build Coastguard Worker; <rdar://problem/16800495> 4*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 5*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-apple-macosx" 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test1: 8*9880d681SAndroid Build Coastguard Worker; %arg lives in xmm0 and it shouldn't be redefined until it is used in the FMA. 9*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: {{.*}}, %xmm0 10*9880d681SAndroid Build Coastguard Worker; %addr lives in rdi. 11*9880d681SAndroid Build Coastguard Worker; %addr2 lives in rsi. 12*9880d681SAndroid Build Coastguard Worker; CHECK: vmovss (%rsi), [[ADDR2:%xmm[0-9]+]] 13*9880d681SAndroid Build Coastguard Worker; The assembly syntax is in the reverse order. 14*9880d681SAndroid Build Coastguard Worker; CHECK: vfmadd231ss (%rdi), [[ADDR2]], %xmm0 15*9880d681SAndroid Build Coastguard Workerdefine void @test1(float* %addr, float* %addr2, float %arg) { 16*9880d681SAndroid Build Coastguard Workerentry: 17*9880d681SAndroid Build Coastguard Worker br label %loop 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Workerloop: 20*9880d681SAndroid Build Coastguard Worker %sum0 = phi float [ %fma, %loop ], [ %arg, %entry ] 21*9880d681SAndroid Build Coastguard Worker %addrVal = load float, float* %addr, align 4 22*9880d681SAndroid Build Coastguard Worker %addr2Val = load float, float* %addr2, align 4 23*9880d681SAndroid Build Coastguard Worker %fmul = fmul float %addrVal, %addr2Val 24*9880d681SAndroid Build Coastguard Worker %fma = fadd float %sum0, %fmul 25*9880d681SAndroid Build Coastguard Worker br i1 true, label %exit, label %loop 26*9880d681SAndroid Build Coastguard Worker 27*9880d681SAndroid Build Coastguard Workerexit: 28*9880d681SAndroid Build Coastguard Worker store float %fma, float* %addr, align 4 29*9880d681SAndroid Build Coastguard Worker ret void 30*9880d681SAndroid Build Coastguard Worker} 31