1 ; Test several VSX FMA mutation opportunities. The first one isn't a 2 ; reasonable transformation because the killed product register is the 3 ; same as the FMA target register. The second one is legal. The third 4 ; one doesn't fit the feeding-copy pattern. 5 6 ; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -enable-unsafe-fp-math -mattr=+vsx -disable-ppc-vsx-fma-mutation=false | FileCheck %s 7 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" 8 target triple = "powerpc64-unknown-linux-gnu" 9 10 declare double @llvm.sqrt.f64(double) 11 12 define double @foo3(double %a) nounwind { 13 %r = call double @llvm.sqrt.f64(double %a) 14 ret double %r 15 16 ; CHECK: @foo3 17 ; CHECK: xsnmsubadp [[REG:[0-9]+]], {{[0-9]+}}, [[REG]] 18 ; CHECK: xsmaddmdp 19 ; CHECK: xsmaddadp 20 } 21 22
