| ; Test several VSX FMA mutation opportunities. The first one isn't a | |
| ; reasonable transformation because the killed product register is the | |
| ; same as the FMA target register. The second one is legal. The third | |
| ; one doesn't fit the feeding-copy pattern. | |
| ; RUN: llc -verify-machineinstrs < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -enable-unsafe-fp-math -mattr=+vsx -disable-ppc-vsx-fma-mutation=false | FileCheck %s | |
| target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-f128:128:128-v128:128:128-n32:64" | |
| target triple = "powerpc64-unknown-linux-gnu" | |
| declare double @llvm.sqrt.f64(double) | |
| define double @foo3(double %a) nounwind { | |
| %r = call double @llvm.sqrt.f64(double %a) | |
| ret double %r | |
| ; CHECK: @foo3 | |
| ; CHECK: fmr [[REG:[0-9]+]], [[REG2:[0-9]+]] | |
| ; CHECK: xsnmsubadp [[REG]], {{[0-9]+}}, [[REG2]] | |
| ; CHECK: xsmaddmdp | |
| ; CHECK: xsmaddadp | |
| } | |