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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207085 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 218 insertions, 1 deletions

diff --git a/test/Transforms/BBVectorize/simple-int.ll b/test/Transforms/BBVectorize/simple-int.ll
index e90900a93a..e1a3d8836a 100644
--- a/test/Transforms/BBVectorize/simple-int.ll
+++ b/test/Transforms/BBVectorize/simple-int.ll
@@ -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 }