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BBVectorize: Enable vectorization of the fmuladd intrinsic

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171075 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel 2012-12-25 22:36:08 +00:00
parent abdf75511b
commit 64a7a24edf
2 changed files with 29 additions and 0 deletions
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1
lib/Transforms/Vectorize/BBVectorize.cpp
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@ -660,6 +660,7 @@ namespace {
case Intrinsic::pow:
return Config.VectorizeMath;
case Intrinsic::fma:
case Intrinsic::fmuladd:
return Config.VectorizeFMA;
}
}

28
test/Transforms/BBVectorize/simple-int.ll
View File

@ -2,6 +2,7 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S | FileCheck %s
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)
@ -31,6 +32,32 @@ define double @test1(double %A1, double %A2, double %B1, double %B2, double %C1,
; CHECK: ret double %R
}
; Basic depth-3 chain with fmuladd
define double @test1a(double %A1, double %A2, double %B1, double %B2, double %C1, double %C2) {
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
%Y1 = call double @llvm.fmuladd.f64(double %X1, double %A1, double %C1)
%Y2 = call double @llvm.fmuladd.f64(double %X2, double %A2, double %C2)
%Z1 = fadd double %Y1, %B1
%Z2 = fadd double %Y2, %B2
%R = fmul double %Z1, %Z2
ret double %R
; CHECK: @test1a
; 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.i2.1 = insertelement <2 x double> undef, double %C1, i32 0
; CHECK: %Y1.v.i2.2 = insertelement <2 x double> %Y1.v.i2.1, double %C2, i32 1
; CHECK: %Y1 = call <2 x double> @llvm.fmuladd.v2f64(<2 x double> %X1, <2 x double> %X1.v.i0.2, <2 x double> %Y1.v.i2.2)
; 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 cos
define double @test2(double %A1, double %A2, double %B1, double %B2) {
%X1 = fsub double %A1, %B1
@ -98,6 +125,7 @@ define double @test4(double %A1, double %A2, double %B1, double %B2, i32 %P) {
}
; CHECK: declare <2 x double> @llvm.fma.v2f64(<2 x double>, <2 x double>, <2 x double>) nounwind readnone
; CHECK: declare <2 x double> @llvm.fmuladd.v2f64(<2 x double>, <2 x double>, <2 x double>) nounwind readnone
; CHECK: declare <2 x double> @llvm.cos.v2f64(<2 x double>) nounwind readonly
; CHECK: declare <2 x double> @llvm.powi.v2f64(<2 x double>, i32) nounwind readonly