| ; 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 -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_fmf(double %a) nounwind { |
| ; CHECK: @foo3_fmf |
| ; CHECK-NOT: fmr |
| ; CHECK: xsmaddmdp |
| ; CHECK: xsmaddadp |
| %r = call fast double @llvm.sqrt.f64(double %a) |
| ret double %r |
| } |
| |
| define double @foo3_safe(double %a) nounwind { |
| ; CHECK: @foo3_safe |
| ; CHECK-NOT: fmr |
| ; CHECK: xssqrtdp |
| %r = call double @llvm.sqrt.f64(double %a) |
| ret double %r |
| } |
| |
