Allow vectorization of few missed llvm intrinsic calls in BBVectorizor by handling them in isVectorizableIntrinsic function.

llvm-svn: 207085
This commit is contained in:
Karthik Bhat 2014-04-24 07:29:55 +00:00
parent 3478d4b164
commit 81e6bf0a41
2 changed files with 226 additions and 1 deletions

View File

@ -675,6 +675,14 @@ namespace {
case Intrinsic::exp:
case Intrinsic::exp2:
case Intrinsic::pow:
case Intrinsic::round:
case Intrinsic::copysign:
case Intrinsic::ceil:
case Intrinsic::nearbyint:
case Intrinsic::rint:
case Intrinsic::trunc:
case Intrinsic::floor:
case Intrinsic::fabs:
return Config.VectorizeMath;
case Intrinsic::fma:
case Intrinsic::fmuladd:

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@ -5,6 +5,14 @@ declare double @llvm.fma.f64(double, double, double)
declare double @llvm.fmuladd.f64(double, double, double)
declare double @llvm.cos.f64(double)
declare double @llvm.powi.f64(double, i32)
declare double @llvm.round.f64(double)
declare double @llvm.copysign.f64(double, double)
declare double @llvm.ceil.f64(double)
declare double @llvm.nearbyint.f64(double)
declare double @llvm.rint.f64(double)
declare double @llvm.trunc.f64(double)
declare double @llvm.floor.f64(double)
declare double @llvm.fabs.f64(double)
; Basic depth-3 chain with fma
define double @test1(double %A1, double %A2, double %B1, double %B2, double %C1, double %C2) {
@ -124,9 +132,218 @@ define double @test4(double %A1, double %A2, double %B1, double %B2, i32 %P) {
; CHECK: ret double %R
}
; Basic depth-3 chain with round
define double @testround(double %A1, double %A2, double %B1, double %B2) {
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
%Y1 = call double @llvm.round.f64(double %X1)
%Y2 = call double @llvm.round.f64(double %X2)
%Z1 = fadd double %Y1, %B1
%Z2 = fadd double %Y2, %B2
%R = fmul double %Z1, %Z2
ret double %R
; CHECK: @testround
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
; CHECK: %Y1 = call <2 x double> @llvm.round.v2f64(<2 x double> %X1)
; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
; CHECK: ret double %R
}
; Basic depth-3 chain with copysign
define double @testcopysign(double %A1, double %A2, double %B1, double %B2) {
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
%Y1 = call double @llvm.copysign.f64(double %X1, double %A1)
%Y2 = call double @llvm.copysign.f64(double %X2, double %A1)
%Z1 = fadd double %Y1, %B1
%Z2 = fadd double %Y2, %B2
%R = fmul double %Z1, %Z2
ret double %R
; CHECK: @testcopysign
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
; CHECK: %Y1.v.i1.2 = insertelement <2 x double> %X1.v.i0.1, double %A1, i32 1
; CHECK: %Y1 = call <2 x double> @llvm.copysign.v2f64(<2 x double> %X1, <2 x double> %Y1.v.i1.2)
; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
; CHECK: ret double %R
}
; Basic depth-3 chain with ceil
define double @testceil(double %A1, double %A2, double %B1, double %B2) {
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
%Y1 = call double @llvm.ceil.f64(double %X1)
%Y2 = call double @llvm.ceil.f64(double %X2)
%Z1 = fadd double %Y1, %B1
%Z2 = fadd double %Y2, %B2
%R = fmul double %Z1, %Z2
ret double %R
; CHECK: @testceil
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
; CHECK: %Y1 = call <2 x double> @llvm.ceil.v2f64(<2 x double> %X1)
; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
; CHECK: ret double %R
}
; Basic depth-3 chain with nearbyint
define double @testnearbyint(double %A1, double %A2, double %B1, double %B2) {
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
%Y1 = call double @llvm.nearbyint.f64(double %X1)
%Y2 = call double @llvm.nearbyint.f64(double %X2)
%Z1 = fadd double %Y1, %B1
%Z2 = fadd double %Y2, %B2
%R = fmul double %Z1, %Z2
ret double %R
; CHECK: @testnearbyint
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
; CHECK: %Y1 = call <2 x double> @llvm.nearbyint.v2f64(<2 x double> %X1)
; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
; CHECK: ret double %R
}
; Basic depth-3 chain with rint
define double @testrint(double %A1, double %A2, double %B1, double %B2) {
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
%Y1 = call double @llvm.rint.f64(double %X1)
%Y2 = call double @llvm.rint.f64(double %X2)
%Z1 = fadd double %Y1, %B1
%Z2 = fadd double %Y2, %B2
%R = fmul double %Z1, %Z2
ret double %R
; CHECK: @testrint
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
; CHECK: %Y1 = call <2 x double> @llvm.rint.v2f64(<2 x double> %X1)
; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
; CHECK: ret double %R
}
; Basic depth-3 chain with trunc
define double @testtrunc(double %A1, double %A2, double %B1, double %B2) {
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
%Y1 = call double @llvm.trunc.f64(double %X1)
%Y2 = call double @llvm.trunc.f64(double %X2)
%Z1 = fadd double %Y1, %B1
%Z2 = fadd double %Y2, %B2
%R = fmul double %Z1, %Z2
ret double %R
; CHECK: @testtrunc
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
; CHECK: %Y1 = call <2 x double> @llvm.trunc.v2f64(<2 x double> %X1)
; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
; CHECK: ret double %R
}
; Basic depth-3 chain with floor
define double @testfloor(double %A1, double %A2, double %B1, double %B2) {
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
%Y1 = call double @llvm.floor.f64(double %X1)
%Y2 = call double @llvm.floor.f64(double %X2)
%Z1 = fadd double %Y1, %B1
%Z2 = fadd double %Y2, %B2
%R = fmul double %Z1, %Z2
ret double %R
; CHECK: @testfloor
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
; CHECK: %Y1 = call <2 x double> @llvm.floor.v2f64(<2 x double> %X1)
; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
; CHECK: ret double %R
}
; Basic depth-3 chain with fabs
define double @testfabs(double %A1, double %A2, double %B1, double %B2) {
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
%Y1 = call double @llvm.fabs.f64(double %X1)
%Y2 = call double @llvm.fabs.f64(double %X2)
%Z1 = fadd double %Y1, %B1
%Z2 = fadd double %Y2, %B2
%R = fmul double %Z1, %Z2
ret double %R
; CHECK: @testfabs
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
; CHECK: %Y1 = call <2 x double> @llvm.fabs.v2f64(<2 x double> %X1)
; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
; CHECK: ret double %R
}
; CHECK: declare <2 x double> @llvm.fma.v2f64(<2 x double>, <2 x double>, <2 x double>) #0
; CHECK: declare <2 x double> @llvm.fmuladd.v2f64(<2 x double>, <2 x double>, <2 x double>) #0
; CHECK: declare <2 x double> @llvm.cos.v2f64(<2 x double>) #0
; CHECK: declare <2 x double> @llvm.powi.v2f64(<2 x double>, i32) #0
; CHECK: declare <2 x double> @llvm.round.v2f64(<2 x double>) #0
; CHECK: declare <2 x double> @llvm.copysign.v2f64(<2 x double>, <2 x double>) #0
; CHECK: declare <2 x double> @llvm.ceil.v2f64(<2 x double>) #0
; CHECK: declare <2 x double> @llvm.nearbyint.v2f64(<2 x double>) #0
; CHECK: declare <2 x double> @llvm.rint.v2f64(<2 x double>) #0
; CHECK: declare <2 x double> @llvm.trunc.v2f64(<2 x double>) #0
; CHECK: declare <2 x double> @llvm.floor.v2f64(<2 x double>) #0
; CHECK: declare <2 x double> @llvm.fabs.v2f64(<2 x double>) #0
; CHECK: attributes #0 = { nounwind readnone }