blob: 1d4695b31810a5d10ba970c21e5a713b21ac1452 [file] [log] [blame]
; 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