llvm-6502/test/Transforms/BBVectorize/simple.ll
Hal Finkel de5e5ec304 Add a basic-block autovectorization pass.
This is the initial checkin of the basic-block autovectorization pass along with some supporting vectorization infrastructure.
Special thanks to everyone who helped review this code over the last several months (especially Tobias Grosser).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149468 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01 03:51:43 +00:00

153 lines
7.4 KiB
LLVM

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-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S | FileCheck %s
; Basic depth-3 chain
define double @test1(double %A1, double %A2, double %B1, double %B2) {
; CHECK: @test1
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
%Y1 = fmul double %X1, %A1
%Y2 = fmul double %X2, %A2
; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
%Z1 = fadd double %Y1, %B1
%Z2 = fadd double %Y2, %B2
; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
%R = fmul double %Z1, %Z2
; 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
ret double %R
; CHECK: ret double %R
}
; Basic depth-3 chain (last pair permuted)
define double @test2(double %A1, double %A2, double %B1, double %B2) {
; CHECK: @test2
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
%Y1 = fmul double %X1, %A1
%Y2 = fmul double %X2, %A2
; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
%Z1 = fadd double %Y2, %B1
%Z2 = fadd double %Y1, %B2
; CHECK: %Z1.v.i0 = shufflevector <2 x double> %Y1, <2 x double> undef, <2 x i32> <i32 1, i32 0>
; CHECK: %Z1 = fadd <2 x double> %Z1.v.i0, %X1.v.i1.2
%R = fmul double %Z1, %Z2
; 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
ret double %R
; CHECK: ret double %R
}
; Basic depth-3 chain (last pair first splat)
define double @test3(double %A1, double %A2, double %B1, double %B2) {
; CHECK: @test3
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
%Y1 = fmul double %X1, %A1
%Y2 = fmul double %X2, %A2
; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
%Z1 = fadd double %Y2, %B1
%Z2 = fadd double %Y2, %B2
; CHECK: %Z1.v.i0 = shufflevector <2 x double> %Y1, <2 x double> undef, <2 x i32> <i32 1, i32 1>
; CHECK: %Z1 = fadd <2 x double> %Z1.v.i0, %X1.v.i1.2
%R = fmul double %Z1, %Z2
; 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
ret double %R
; CHECK: ret double %R
}
; Basic depth-3 chain (last pair second splat)
define double @test4(double %A1, double %A2, double %B1, double %B2) {
; CHECK: @test4
; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
%X1 = fsub double %A1, %B1
%X2 = fsub double %A2, %B2
; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
%Y1 = fmul double %X1, %A1
%Y2 = fmul double %X2, %A2
; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
%Z1 = fadd double %Y1, %B1
%Z2 = fadd double %Y1, %B2
; CHECK: %Z1.v.i0 = shufflevector <2 x double> %Y1, <2 x double> undef, <2 x i32> zeroinitializer
; CHECK: %Z1 = fadd <2 x double> %Z1.v.i0, %X1.v.i1.2
%R = fmul double %Z1, %Z2
; 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
ret double %R
; CHECK: ret double %R
}
; Basic depth-3 chain
define <2 x float> @test5(<2 x float> %A1, <2 x float> %A2, <2 x float> %B1, <2 x float> %B2) {
; CHECK: @test5
; CHECK: %X1.v.i1 = shufflevector <2 x float> %B1, <2 x float> %B2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
; CHECK: %X1.v.i0 = shufflevector <2 x float> %A1, <2 x float> %A2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
%X1 = fsub <2 x float> %A1, %B1
%X2 = fsub <2 x float> %A2, %B2
; CHECK: %X1 = fsub <4 x float> %X1.v.i0, %X1.v.i1
%Y1 = fmul <2 x float> %X1, %A1
%Y2 = fmul <2 x float> %X2, %A2
; CHECK: %Y1 = fmul <4 x float> %X1, %X1.v.i0
%Z1 = fadd <2 x float> %Y1, %B1
%Z2 = fadd <2 x float> %Y2, %B2
; CHECK: %Z1 = fadd <4 x float> %Y1, %X1.v.i1
%R = fmul <2 x float> %Z1, %Z2
; CHECK: %Z1.v.r1 = shufflevector <4 x float> %Z1, <4 x float> undef, <2 x i32> <i32 0, i32 1>
; CHECK: %Z1.v.r2 = shufflevector <4 x float> %Z1, <4 x float> undef, <2 x i32> <i32 2, i32 3>
; CHECK: %R = fmul <2 x float> %Z1.v.r1, %Z1.v.r2
ret <2 x float> %R
; CHECK: ret <2 x float> %R
}
; Basic chain with shuffles
define <8 x i8> @test6(<8 x i8> %A1, <8 x i8> %A2, <8 x i8> %B1, <8 x i8> %B2) {
; CHECK: @test6
; CHECK: %X1.v.i1 = shufflevector <8 x i8> %B1, <8 x i8> %B2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
; CHECK: %X1.v.i0 = shufflevector <8 x i8> %A1, <8 x i8> %A2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
%X1 = sub <8 x i8> %A1, %B1
%X2 = sub <8 x i8> %A2, %B2
; CHECK: %X1 = sub <16 x i8> %X1.v.i0, %X1.v.i1
%Y1 = mul <8 x i8> %X1, %A1
%Y2 = mul <8 x i8> %X2, %A2
; CHECK: %Y1 = mul <16 x i8> %X1, %X1.v.i0
%Z1 = add <8 x i8> %Y1, %B1
%Z2 = add <8 x i8> %Y2, %B2
; CHECK: %Z1 = add <16 x i8> %Y1, %X1.v.i1
%Q1 = shufflevector <8 x i8> %Z1, <8 x i8> %Z2, <8 x i32> <i32 15, i32 8, i32 6, i32 1, i32 13, i32 10, i32 4, i32 3>
%Q2 = shufflevector <8 x i8> %Z2, <8 x i8> %Z2, <8 x i32> <i32 6, i32 7, i32 0, i32 1, i32 2, i32 4, i32 4, i32 1>
; CHECK: %Z1.v.r2 = shufflevector <16 x i8> %Z1, <16 x i8> undef, <8 x i32> <i32 8, i32 undef, i32 10, i32 undef, i32 undef, i32 13, i32 undef, i32 15>
; CHECK: %Q1.v.i1 = shufflevector <8 x i8> %Z1.v.r2, <8 x i8> undef, <16 x i32> <i32 0, i32 undef, i32 2, i32 undef, i32 undef, i32 5, i32 undef, i32 7, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
; CHECK: %Q1 = shufflevector <16 x i8> %Z1, <16 x i8> %Q1.v.i1, <16 x i32> <i32 23, i32 16, i32 6, i32 1, i32 21, i32 18, i32 4, i32 3, i32 14, i32 15, i32 8, i32 9, i32 10, i32 12, i32 12, i32 9>
%R = mul <8 x i8> %Q1, %Q2
; CHECK: %Q1.v.r1 = shufflevector <16 x i8> %Q1, <16 x i8> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
; CHECK: %Q1.v.r2 = shufflevector <16 x i8> %Q1, <16 x i8> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
; CHECK: %R = mul <8 x i8> %Q1.v.r1, %Q1.v.r2
ret <8 x i8> %R
; CHECK: ret <8 x i8> %R
}