llvm/test/CodeGen/X86/sse2.ll
Simon Pilgrim 39e5fc9030 [X86][SSE] Enable commutation between MOVHLPS and UNPCKHPD
Assuming SSE2 is available then we can safely commute between these, removing some unnecessary register moves and improving memory folding opportunities.

VEX encoded versions don't benefit so I haven't added support to them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@277930 91177308-0d34-0410-b5e6-96231b3b80d8
2016-08-06 18:40:28 +00:00

328 lines
14 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; Tests for SSE2 and below, without SSE3+.
; RUN: llc < %s -mtriple=i386-apple-darwin10 -mattr=+sse2 -O3 | FileCheck %s
define void @test1(<2 x double>* %r, <2 x double>* %A, double %B) nounwind {
; CHECK-LABEL: test1:
; CHECK: ## BB#0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: movapd (%ecx), %xmm0
; CHECK-NEXT: movlpd {{.*#+}} xmm0 = mem[0],xmm0[1]
; CHECK-NEXT: movapd %xmm0, (%eax)
; CHECK-NEXT: retl
%tmp3 = load <2 x double>, <2 x double>* %A, align 16
%tmp7 = insertelement <2 x double> undef, double %B, i32 0
%tmp9 = shufflevector <2 x double> %tmp3, <2 x double> %tmp7, <2 x i32> < i32 2, i32 1 >
store <2 x double> %tmp9, <2 x double>* %r, align 16
ret void
}
define void @test2(<2 x double>* %r, <2 x double>* %A, double %B) nounwind {
; CHECK-LABEL: test2:
; CHECK: ## BB#0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: movapd (%ecx), %xmm0
; CHECK-NEXT: movhpd {{.*#+}} xmm0 = xmm0[0],mem[0]
; CHECK-NEXT: movapd %xmm0, (%eax)
; CHECK-NEXT: retl
%tmp3 = load <2 x double>, <2 x double>* %A, align 16
%tmp7 = insertelement <2 x double> undef, double %B, i32 0
%tmp9 = shufflevector <2 x double> %tmp3, <2 x double> %tmp7, <2 x i32> < i32 0, i32 2 >
store <2 x double> %tmp9, <2 x double>* %r, align 16
ret void
}
define void @test3(<4 x float>* %res, <4 x float>* %A, <4 x float>* %B) nounwind {
; CHECK-LABEL: test3:
; CHECK: ## BB#0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
; CHECK-NEXT: movaps (%edx), %xmm0
; CHECK-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],mem[0],xmm0[1],mem[1]
; CHECK-NEXT: movaps %xmm0, (%eax)
; CHECK-NEXT: retl
%tmp = load <4 x float>, <4 x float>* %B ; <<4 x float>> [#uses=2]
%tmp3 = load <4 x float>, <4 x float>* %A ; <<4 x float>> [#uses=2]
%tmp.upgrd.1 = extractelement <4 x float> %tmp3, i32 0 ; <float> [#uses=1]
%tmp7 = extractelement <4 x float> %tmp, i32 0 ; <float> [#uses=1]
%tmp8 = extractelement <4 x float> %tmp3, i32 1 ; <float> [#uses=1]
%tmp9 = extractelement <4 x float> %tmp, i32 1 ; <float> [#uses=1]
%tmp10 = insertelement <4 x float> undef, float %tmp.upgrd.1, i32 0 ; <<4 x float>> [#uses=1]
%tmp11 = insertelement <4 x float> %tmp10, float %tmp7, i32 1 ; <<4 x float>> [#uses=1]
%tmp12 = insertelement <4 x float> %tmp11, float %tmp8, i32 2 ; <<4 x float>> [#uses=1]
%tmp13 = insertelement <4 x float> %tmp12, float %tmp9, i32 3 ; <<4 x float>> [#uses=1]
store <4 x float> %tmp13, <4 x float>* %res
ret void
}
define void @test4(<4 x float> %X, <4 x float>* %res) nounwind {
; CHECK-LABEL: test4:
; CHECK: ## BB#0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,1,3,3]
; CHECK-NEXT: movaps %xmm0, (%eax)
; CHECK-NEXT: retl
%tmp5 = shufflevector <4 x float> %X, <4 x float> undef, <4 x i32> < i32 2, i32 6, i32 3, i32 7 > ; <<4 x float>> [#uses=1]
store <4 x float> %tmp5, <4 x float>* %res
ret void
}
define <4 x i32> @test5(i8** %ptr) nounwind {
; CHECK-LABEL: test5:
; CHECK: ## BB#0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl (%eax), %eax
; CHECK-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; CHECK-NEXT: pxor %xmm0, %xmm0
; CHECK-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
; CHECK-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
; CHECK-NEXT: retl
%tmp = load i8*, i8** %ptr ; <i8*> [#uses=1]
%tmp.upgrd.1 = bitcast i8* %tmp to float* ; <float*> [#uses=1]
%tmp.upgrd.2 = load float, float* %tmp.upgrd.1 ; <float> [#uses=1]
%tmp.upgrd.3 = insertelement <4 x float> undef, float %tmp.upgrd.2, i32 0 ; <<4 x float>> [#uses=1]
%tmp9 = insertelement <4 x float> %tmp.upgrd.3, float 0.000000e+00, i32 1 ; <<4 x float>> [#uses=1]
%tmp10 = insertelement <4 x float> %tmp9, float 0.000000e+00, i32 2 ; <<4 x float>> [#uses=1]
%tmp11 = insertelement <4 x float> %tmp10, float 0.000000e+00, i32 3 ; <<4 x float>> [#uses=1]
%tmp21 = bitcast <4 x float> %tmp11 to <16 x i8> ; <<16 x i8>> [#uses=1]
%tmp22 = shufflevector <16 x i8> %tmp21, <16 x i8> zeroinitializer, <16 x i32> < i32 0, i32 16, i32 1, i32 17, i32 2, i32 18, i32 3, i32 19, i32 4, i32 20, i32 5, i32 21, i32 6, i32 22, i32 7, i32 23 > ; <<16 x i8>> [#uses=1]
%tmp31 = bitcast <16 x i8> %tmp22 to <8 x i16> ; <<8 x i16>> [#uses=1]
%tmp.upgrd.4 = shufflevector <8 x i16> zeroinitializer, <8 x i16> %tmp31, <8 x i32> < i32 0, i32 8, i32 1, i32 9, i32 2, i32 10, i32 3, i32 11 > ; <<8 x i16>> [#uses=1]
%tmp36 = bitcast <8 x i16> %tmp.upgrd.4 to <4 x i32> ; <<4 x i32>> [#uses=1]
ret <4 x i32> %tmp36
}
define void @test6(<4 x float>* %res, <4 x float>* %A) nounwind {
; CHECK-LABEL: test6:
; CHECK: ## BB#0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: movaps (%ecx), %xmm0
; CHECK-NEXT: movaps %xmm0, (%eax)
; CHECK-NEXT: retl
%tmp1 = load <4 x float>, <4 x float>* %A ; <<4 x float>> [#uses=1]
%tmp2 = shufflevector <4 x float> %tmp1, <4 x float> undef, <4 x i32> < i32 0, i32 5, i32 6, i32 7 > ; <<4 x float>> [#uses=1]
store <4 x float> %tmp2, <4 x float>* %res
ret void
}
define void @test7() nounwind {
; CHECK-LABEL: test7:
; CHECK: ## BB#0:
; CHECK-NEXT: xorps %xmm0, %xmm0
; CHECK-NEXT: movaps %xmm0, 0
; CHECK-NEXT: retl
bitcast <4 x i32> zeroinitializer to <4 x float> ; <<4 x float>>:1 [#uses=1]
shufflevector <4 x float> %1, <4 x float> zeroinitializer, <4 x i32> zeroinitializer ; <<4 x float>>:2 [#uses=1]
store <4 x float> %2, <4 x float>* null
ret void
}
@x = external global [4 x i32]
define <2 x i64> @test8() nounwind {
; CHECK-LABEL: test8:
; CHECK: ## BB#0:
; CHECK-NEXT: movl L_x$non_lazy_ptr, %eax
; CHECK-NEXT: movups (%eax), %xmm0
; CHECK-NEXT: retl
%tmp = load i32, i32* getelementptr ([4 x i32], [4 x i32]* @x, i32 0, i32 0) ; <i32> [#uses=1]
%tmp3 = load i32, i32* getelementptr ([4 x i32], [4 x i32]* @x, i32 0, i32 1) ; <i32> [#uses=1]
%tmp5 = load i32, i32* getelementptr ([4 x i32], [4 x i32]* @x, i32 0, i32 2) ; <i32> [#uses=1]
%tmp7 = load i32, i32* getelementptr ([4 x i32], [4 x i32]* @x, i32 0, i32 3) ; <i32> [#uses=1]
%tmp.upgrd.1 = insertelement <4 x i32> undef, i32 %tmp, i32 0 ; <<4 x i32>> [#uses=1]
%tmp13 = insertelement <4 x i32> %tmp.upgrd.1, i32 %tmp3, i32 1 ; <<4 x i32>> [#uses=1]
%tmp14 = insertelement <4 x i32> %tmp13, i32 %tmp5, i32 2 ; <<4 x i32>> [#uses=1]
%tmp15 = insertelement <4 x i32> %tmp14, i32 %tmp7, i32 3 ; <<4 x i32>> [#uses=1]
%tmp16 = bitcast <4 x i32> %tmp15 to <2 x i64> ; <<2 x i64>> [#uses=1]
ret <2 x i64> %tmp16
}
define <4 x float> @test9(i32 %dummy, float %a, float %b, float %c, float %d) nounwind {
; CHECK-LABEL: test9:
; CHECK: ## BB#0:
; CHECK-NEXT: movups {{[0-9]+}}(%esp), %xmm0
; CHECK-NEXT: retl
%tmp = insertelement <4 x float> undef, float %a, i32 0 ; <<4 x float>> [#uses=1]
%tmp11 = insertelement <4 x float> %tmp, float %b, i32 1 ; <<4 x float>> [#uses=1]
%tmp12 = insertelement <4 x float> %tmp11, float %c, i32 2 ; <<4 x float>> [#uses=1]
%tmp13 = insertelement <4 x float> %tmp12, float %d, i32 3 ; <<4 x float>> [#uses=1]
ret <4 x float> %tmp13
}
define <4 x float> @test10(float %a, float %b, float %c, float %d) nounwind {
; CHECK-LABEL: test10:
; CHECK: ## BB#0:
; CHECK-NEXT: movaps {{[0-9]+}}(%esp), %xmm0
; CHECK-NEXT: retl
%tmp = insertelement <4 x float> undef, float %a, i32 0 ; <<4 x float>> [#uses=1]
%tmp11 = insertelement <4 x float> %tmp, float %b, i32 1 ; <<4 x float>> [#uses=1]
%tmp12 = insertelement <4 x float> %tmp11, float %c, i32 2 ; <<4 x float>> [#uses=1]
%tmp13 = insertelement <4 x float> %tmp12, float %d, i32 3 ; <<4 x float>> [#uses=1]
ret <4 x float> %tmp13
}
define <2 x double> @test11(double %a, double %b) nounwind {
; CHECK-LABEL: test11:
; CHECK: ## BB#0:
; CHECK-NEXT: movaps {{[0-9]+}}(%esp), %xmm0
; CHECK-NEXT: retl
%tmp = insertelement <2 x double> undef, double %a, i32 0 ; <<2 x double>> [#uses=1]
%tmp7 = insertelement <2 x double> %tmp, double %b, i32 1 ; <<2 x double>> [#uses=1]
ret <2 x double> %tmp7
}
define void @test12() nounwind {
; CHECK-LABEL: test12:
; CHECK: ## BB#0:
; CHECK-NEXT: movapd 0, %xmm0
; CHECK-NEXT: movapd {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
; CHECK-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1]
; CHECK-NEXT: xorps %xmm2, %xmm2
; CHECK-NEXT: movhlps {{.*#+}} xmm2 = xmm0[1],xmm2[1]
; CHECK-NEXT: addps %xmm1, %xmm2
; CHECK-NEXT: movaps %xmm2, 0
; CHECK-NEXT: retl
%tmp1 = load <4 x float>, <4 x float>* null ; <<4 x float>> [#uses=2]
%tmp2 = shufflevector <4 x float> %tmp1, <4 x float> < float 1.000000e+00, float 1.000000e+00, float 1.000000e+00, float 1.000000e+00 >, <4 x i32> < i32 0, i32 1, i32 6, i32 7 > ; <<4 x float>> [#uses=1]
%tmp3 = shufflevector <4 x float> %tmp1, <4 x float> zeroinitializer, <4 x i32> < i32 2, i32 3, i32 6, i32 7 > ; <<4 x float>> [#uses=1]
%tmp4 = fadd <4 x float> %tmp2, %tmp3 ; <<4 x float>> [#uses=1]
store <4 x float> %tmp4, <4 x float>* null
ret void
}
define void @test13(<4 x float>* %res, <4 x float>* %A, <4 x float>* %B, <4 x float>* %C) nounwind {
; CHECK-LABEL: test13:
; CHECK: ## BB#0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
; CHECK-NEXT: movaps (%edx), %xmm0
; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,1],mem[0,1]
; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2,1,3]
; CHECK-NEXT: movaps %xmm0, (%eax)
; CHECK-NEXT: retl
%tmp3 = load <4 x float>, <4 x float>* %B ; <<4 x float>> [#uses=1]
%tmp5 = load <4 x float>, <4 x float>* %C ; <<4 x float>> [#uses=1]
%tmp11 = shufflevector <4 x float> %tmp3, <4 x float> %tmp5, <4 x i32> < i32 1, i32 4, i32 1, i32 5 > ; <<4 x float>> [#uses=1]
store <4 x float> %tmp11, <4 x float>* %res
ret void
}
define <4 x float> @test14(<4 x float>* %x, <4 x float>* %y) nounwind {
; CHECK-LABEL: test14:
; CHECK: ## BB#0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: movaps (%ecx), %xmm1
; CHECK-NEXT: movaps (%eax), %xmm2
; CHECK-NEXT: movaps %xmm2, %xmm0
; CHECK-NEXT: addps %xmm1, %xmm0
; CHECK-NEXT: subps %xmm1, %xmm2
; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
; CHECK-NEXT: retl
%tmp = load <4 x float>, <4 x float>* %y ; <<4 x float>> [#uses=2]
%tmp5 = load <4 x float>, <4 x float>* %x ; <<4 x float>> [#uses=2]
%tmp9 = fadd <4 x float> %tmp5, %tmp ; <<4 x float>> [#uses=1]
%tmp21 = fsub <4 x float> %tmp5, %tmp ; <<4 x float>> [#uses=1]
%tmp27 = shufflevector <4 x float> %tmp9, <4 x float> %tmp21, <4 x i32> < i32 0, i32 1, i32 4, i32 5 > ; <<4 x float>> [#uses=1]
ret <4 x float> %tmp27
}
define <4 x float> @test15(<4 x float>* %x, <4 x float>* %y) nounwind {
; CHECK-LABEL: test15:
; CHECK: ## BB#0: ## %entry
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
; CHECK-NEXT: movapd (%ecx), %xmm0
; CHECK-NEXT: unpckhpd {{.*#+}} xmm0 = xmm0[1],mem[1]
; CHECK-NEXT: retl
entry:
%tmp = load <4 x float>, <4 x float>* %y ; <<4 x float>> [#uses=1]
%tmp3 = load <4 x float>, <4 x float>* %x ; <<4 x float>> [#uses=1]
%tmp4 = shufflevector <4 x float> %tmp3, <4 x float> %tmp, <4 x i32> < i32 2, i32 3, i32 6, i32 7 > ; <<4 x float>> [#uses=1]
ret <4 x float> %tmp4
}
; PR8900
define <2 x double> @test16(<4 x double> * nocapture %srcA, <2 x double>* nocapture %dst) {
; CHECK-LABEL: test16:
; CHECK: ## BB#0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movapd 96(%eax), %xmm0
; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],mem[0]
; CHECK-NEXT: retl
%i5 = getelementptr inbounds <4 x double>, <4 x double>* %srcA, i32 3
%i6 = load <4 x double>, <4 x double>* %i5, align 32
%i7 = shufflevector <4 x double> %i6, <4 x double> undef, <2 x i32> <i32 0, i32 2>
ret <2 x double> %i7
}
; PR9009
define fastcc void @test17() nounwind {
; CHECK-LABEL: test17:
; CHECK: ## BB#0: ## %entry
; CHECK-NEXT: movaps {{.*#+}} xmm0 = <u,u,32768,32768>
; CHECK-NEXT: movaps %xmm0, (%eax)
; CHECK-NEXT: retl
entry:
%0 = insertelement <4 x i32> undef, i32 undef, i32 1
%1 = shufflevector <4 x i32> <i32 undef, i32 undef, i32 32768, i32 32768>, <4 x i32> %0, <4 x i32> <i32 4, i32 5, i32 2, i32 3>
%2 = bitcast <4 x i32> %1 to <4 x float>
store <4 x float> %2, <4 x float> * undef
ret void
}
; PR9210
define <4 x float> @f(<4 x double>) nounwind {
; CHECK-LABEL: f:
; CHECK: ## BB#0: ## %entry
; CHECK-NEXT: cvtpd2ps %xmm1, %xmm1
; CHECK-NEXT: cvtpd2ps %xmm0, %xmm0
; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; CHECK-NEXT: retl
entry:
%double2float.i = fptrunc <4 x double> %0 to <4 x float>
ret <4 x float> %double2float.i
}
define <2 x i64> @test_insert_64_zext(<2 x i64> %i) {
; CHECK-LABEL: test_insert_64_zext:
; CHECK: ## BB#0:
; CHECK-NEXT: movq {{.*#+}} xmm0 = xmm0[0],zero
; CHECK-NEXT: retl
%1 = shufflevector <2 x i64> %i, <2 x i64> <i64 0, i64 undef>, <2 x i32> <i32 0, i32 2>
ret <2 x i64> %1
}
define <4 x i32> @PR19721(<4 x i32> %i) {
; CHECK-LABEL: PR19721:
; CHECK: ## BB#0:
; CHECK-NEXT: andps LCPI19_0, %xmm0
; CHECK-NEXT: retl
%bc = bitcast <4 x i32> %i to i128
%insert = and i128 %bc, -4294967296
%bc2 = bitcast i128 %insert to <4 x i32>
ret <4 x i32> %bc2
}
define <4 x i32> @test_mul(<4 x i32> %x, <4 x i32> %y) {
; CHECK-LABEL: test_mul:
; CHECK: ## BB#0:
; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm0[1,1,3,3]
; CHECK-NEXT: pmuludq %xmm1, %xmm0
; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,1,3,3]
; CHECK-NEXT: pmuludq %xmm2, %xmm1
; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3]
; CHECK-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; CHECK-NEXT: retl
%m = mul <4 x i32> %x, %y
ret <4 x i32> %m
}