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https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-21 18:29:46 +00:00
Update the entire regression test suite for the new shuffles. Remove most of the old testing which was devoted to the old shuffle lowering path and is no longer relevant really. Also remove a few other random tests that only really exercised shuffles and only incidently or without any interesting aspects to them. Benchmarking that I have done shows a few small regressions with this on LNT, zero measurable regressions on real, large applications, and for several benchmarks where the loop vectorizer fires in the hot path it shows 5% to 40% improvements for SSE2 and SSE3 code running on Sandy Bridge machines. Running on AMD machines shows even more dramatic improvements. When using newer ISA vector extensions the gains are much more modest, but the code is still better on the whole. There are a few regressions being tracked (PR21137, PR21138, PR21139) but by and large this is expected to be a win for x86 generated code performance. It is also more correct than the code it replaces. I have fuzz tested this extensively with ISA extensions up through AVX2 and found no crashes or miscompiles (yet...). The old lowering had a few miscompiles and crashers after a somewhat smaller amount of fuzz testing. There is one significant area where the new code path lags behind and that is in AVX-512 support. However, there was *extremely little* support for that already and so this isn't a significant step backwards and the new framework will probably make it easier to implement lowering that uses the full power of AVX-512's table-based shuffle+blend (IMO). Many thanks to Quentin, Andrea, Robert, and others for benchmarking assistance. Thanks to Adam and others for help with AVX-512. Thanks to Hal, Eric, and *many* others for answering my incessant questions about how the backend actually works. =] I will leave the old code path in the tree until the 3 PRs above are at least resolved to folks' satisfaction. Then I will rip it (and 1000s of lines of code) out. =] I don't expect this flag to stay around for very long. It may not survive next week. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219046 91177308-0d34-0410-b5e6-96231b3b80d8
336 lines
14 KiB
LLVM
336 lines
14 KiB
LLVM
; Tests for SSE2 and below, without SSE3+.
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; RUN: llc < %s -mtriple=i386-apple-darwin10 -mcpu=pentium4 -O3 | FileCheck %s
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define void @test1(<2 x double>* %r, <2 x double>* %A, double %B) nounwind {
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; CHECK-LABEL: test1:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; CHECK-NEXT: movapd (%ecx), %xmm0
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; CHECK-NEXT: movlpd {{[0-9]+}}(%esp), %xmm0
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; CHECK-NEXT: movapd %xmm0, (%eax)
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; CHECK-NEXT: retl
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%tmp3 = load <2 x double>* %A, align 16
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%tmp7 = insertelement <2 x double> undef, double %B, i32 0
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%tmp9 = shufflevector <2 x double> %tmp3, <2 x double> %tmp7, <2 x i32> < i32 2, i32 1 >
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store <2 x double> %tmp9, <2 x double>* %r, align 16
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ret void
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}
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define void @test2(<2 x double>* %r, <2 x double>* %A, double %B) nounwind {
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; CHECK-LABEL: test2:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; CHECK-NEXT: movapd (%ecx), %xmm0
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; CHECK-NEXT: movhpd {{[0-9]+}}(%esp), %xmm0
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; CHECK-NEXT: movapd %xmm0, (%eax)
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; CHECK-NEXT: retl
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%tmp3 = load <2 x double>* %A, align 16
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%tmp7 = insertelement <2 x double> undef, double %B, i32 0
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%tmp9 = shufflevector <2 x double> %tmp3, <2 x double> %tmp7, <2 x i32> < i32 0, i32 2 >
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store <2 x double> %tmp9, <2 x double>* %r, align 16
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ret void
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}
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define void @test3(<4 x float>* %res, <4 x float>* %A, <4 x float>* %B) nounwind {
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; CHECK-LABEL: test3:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
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; CHECK-NEXT: movaps (%edx), %xmm0
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; CHECK-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],mem[0],xmm0[1],mem[1]
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; CHECK-NEXT: movaps %xmm0, (%eax)
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; CHECK-NEXT: retl
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%tmp = load <4 x float>* %B ; <<4 x float>> [#uses=2]
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%tmp3 = load <4 x float>* %A ; <<4 x float>> [#uses=2]
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%tmp.upgrd.1 = extractelement <4 x float> %tmp3, i32 0 ; <float> [#uses=1]
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%tmp7 = extractelement <4 x float> %tmp, i32 0 ; <float> [#uses=1]
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%tmp8 = extractelement <4 x float> %tmp3, i32 1 ; <float> [#uses=1]
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%tmp9 = extractelement <4 x float> %tmp, i32 1 ; <float> [#uses=1]
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%tmp10 = insertelement <4 x float> undef, float %tmp.upgrd.1, i32 0 ; <<4 x float>> [#uses=1]
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%tmp11 = insertelement <4 x float> %tmp10, float %tmp7, i32 1 ; <<4 x float>> [#uses=1]
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%tmp12 = insertelement <4 x float> %tmp11, float %tmp8, i32 2 ; <<4 x float>> [#uses=1]
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%tmp13 = insertelement <4 x float> %tmp12, float %tmp9, i32 3 ; <<4 x float>> [#uses=1]
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store <4 x float> %tmp13, <4 x float>* %res
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ret void
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}
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define void @test4(<4 x float> %X, <4 x float>* %res) nounwind {
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; CHECK-LABEL: test4:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,1,3,3]
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; CHECK-NEXT: movaps %xmm0, (%eax)
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; CHECK-NEXT: retl
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%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]
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store <4 x float> %tmp5, <4 x float>* %res
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ret void
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}
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define <4 x i32> @test5(i8** %ptr) nounwind {
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; CHECK-LABEL: test5:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl (%eax), %eax
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; CHECK-NEXT: movss (%eax), %xmm1
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; CHECK-NEXT: pxor %xmm0, %xmm0
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; 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]
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; CHECK-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1],xmm0[2],xmm1[2],xmm0[3],xmm1[3]
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; CHECK-NEXT: retl
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%tmp = load i8** %ptr ; <i8*> [#uses=1]
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%tmp.upgrd.1 = bitcast i8* %tmp to float* ; <float*> [#uses=1]
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%tmp.upgrd.2 = load float* %tmp.upgrd.1 ; <float> [#uses=1]
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%tmp.upgrd.3 = insertelement <4 x float> undef, float %tmp.upgrd.2, i32 0 ; <<4 x float>> [#uses=1]
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%tmp9 = insertelement <4 x float> %tmp.upgrd.3, float 0.000000e+00, i32 1 ; <<4 x float>> [#uses=1]
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%tmp10 = insertelement <4 x float> %tmp9, float 0.000000e+00, i32 2 ; <<4 x float>> [#uses=1]
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%tmp11 = insertelement <4 x float> %tmp10, float 0.000000e+00, i32 3 ; <<4 x float>> [#uses=1]
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%tmp21 = bitcast <4 x float> %tmp11 to <16 x i8> ; <<16 x i8>> [#uses=1]
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%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]
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%tmp31 = bitcast <16 x i8> %tmp22 to <8 x i16> ; <<8 x i16>> [#uses=1]
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%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]
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%tmp36 = bitcast <8 x i16> %tmp.upgrd.4 to <4 x i32> ; <<4 x i32>> [#uses=1]
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ret <4 x i32> %tmp36
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}
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define void @test6(<4 x float>* %res, <4 x float>* %A) nounwind {
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; CHECK-LABEL: test6:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; CHECK-NEXT: movaps (%ecx), %xmm0
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; CHECK-NEXT: movaps %xmm0, (%eax)
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; CHECK-NEXT: retl
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%tmp1 = load <4 x float>* %A ; <<4 x float>> [#uses=1]
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%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]
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store <4 x float> %tmp2, <4 x float>* %res
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ret void
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}
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define void @test7() nounwind {
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; CHECK-LABEL: test7:
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; CHECK: ## BB#0:
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; CHECK-NEXT: xorps %xmm0, %xmm0
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; CHECK-NEXT: movaps %xmm0, 0
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; CHECK-NEXT: retl
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bitcast <4 x i32> zeroinitializer to <4 x float> ; <<4 x float>>:1 [#uses=1]
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shufflevector <4 x float> %1, <4 x float> zeroinitializer, <4 x i32> zeroinitializer ; <<4 x float>>:2 [#uses=1]
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store <4 x float> %2, <4 x float>* null
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ret void
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}
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@x = external global [4 x i32]
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define <2 x i64> @test8() nounwind {
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; CHECK-LABEL: test8:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movl L_x$non_lazy_ptr, %eax
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; CHECK-NEXT: movups (%eax), %xmm0
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; CHECK-NEXT: retl
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%tmp = load i32* getelementptr ([4 x i32]* @x, i32 0, i32 0) ; <i32> [#uses=1]
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%tmp3 = load i32* getelementptr ([4 x i32]* @x, i32 0, i32 1) ; <i32> [#uses=1]
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%tmp5 = load i32* getelementptr ([4 x i32]* @x, i32 0, i32 2) ; <i32> [#uses=1]
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%tmp7 = load i32* getelementptr ([4 x i32]* @x, i32 0, i32 3) ; <i32> [#uses=1]
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%tmp.upgrd.1 = insertelement <4 x i32> undef, i32 %tmp, i32 0 ; <<4 x i32>> [#uses=1]
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%tmp13 = insertelement <4 x i32> %tmp.upgrd.1, i32 %tmp3, i32 1 ; <<4 x i32>> [#uses=1]
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%tmp14 = insertelement <4 x i32> %tmp13, i32 %tmp5, i32 2 ; <<4 x i32>> [#uses=1]
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%tmp15 = insertelement <4 x i32> %tmp14, i32 %tmp7, i32 3 ; <<4 x i32>> [#uses=1]
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%tmp16 = bitcast <4 x i32> %tmp15 to <2 x i64> ; <<2 x i64>> [#uses=1]
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ret <2 x i64> %tmp16
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}
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define <4 x float> @test9(i32 %dummy, float %a, float %b, float %c, float %d) nounwind {
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; CHECK-LABEL: test9:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movups {{[0-9]+}}(%esp), %xmm0
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; CHECK-NEXT: retl
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%tmp = insertelement <4 x float> undef, float %a, i32 0 ; <<4 x float>> [#uses=1]
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%tmp11 = insertelement <4 x float> %tmp, float %b, i32 1 ; <<4 x float>> [#uses=1]
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%tmp12 = insertelement <4 x float> %tmp11, float %c, i32 2 ; <<4 x float>> [#uses=1]
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%tmp13 = insertelement <4 x float> %tmp12, float %d, i32 3 ; <<4 x float>> [#uses=1]
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ret <4 x float> %tmp13
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}
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define <4 x float> @test10(float %a, float %b, float %c, float %d) nounwind {
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; CHECK-LABEL: test10:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movaps {{[0-9]+}}(%esp), %xmm0
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; CHECK-NEXT: retl
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%tmp = insertelement <4 x float> undef, float %a, i32 0 ; <<4 x float>> [#uses=1]
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%tmp11 = insertelement <4 x float> %tmp, float %b, i32 1 ; <<4 x float>> [#uses=1]
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%tmp12 = insertelement <4 x float> %tmp11, float %c, i32 2 ; <<4 x float>> [#uses=1]
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%tmp13 = insertelement <4 x float> %tmp12, float %d, i32 3 ; <<4 x float>> [#uses=1]
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ret <4 x float> %tmp13
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}
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define <2 x double> @test11(double %a, double %b) nounwind {
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; CHECK-LABEL: test11:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movaps {{[0-9]+}}(%esp), %xmm0
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; CHECK-NEXT: retl
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%tmp = insertelement <2 x double> undef, double %a, i32 0 ; <<2 x double>> [#uses=1]
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%tmp7 = insertelement <2 x double> %tmp, double %b, i32 1 ; <<2 x double>> [#uses=1]
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ret <2 x double> %tmp7
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}
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define void @test12() nounwind {
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; CHECK-LABEL: test12:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movapd 0, %xmm0
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; CHECK-NEXT: movaps {{.*#+}} xmm1 = [1.000000e+00,1.000000e+00,1.000000e+00,1.000000e+00]
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; CHECK-NEXT: movsd %xmm0, %xmm1
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; CHECK-NEXT: xorpd %xmm2, %xmm2
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; CHECK-NEXT: unpckhpd {{.*#+}} xmm0 = xmm0[1],xmm2[1]
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; CHECK-NEXT: addps %xmm1, %xmm0
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; CHECK-NEXT: movaps %xmm0, 0
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; CHECK-NEXT: retl
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%tmp1 = load <4 x float>* null ; <<4 x float>> [#uses=2]
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%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]
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%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]
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%tmp4 = fadd <4 x float> %tmp2, %tmp3 ; <<4 x float>> [#uses=1]
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store <4 x float> %tmp4, <4 x float>* null
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ret void
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}
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define void @test13(<4 x float>* %res, <4 x float>* %A, <4 x float>* %B, <4 x float>* %C) nounwind {
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; CHECK-LABEL: test13:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %edx
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; CHECK-NEXT: movaps (%edx), %xmm0
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; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,1],mem[0,1]
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; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2,1,3]
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; CHECK-NEXT: movaps %xmm0, (%eax)
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; CHECK-NEXT: retl
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%tmp3 = load <4 x float>* %B ; <<4 x float>> [#uses=1]
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%tmp5 = load <4 x float>* %C ; <<4 x float>> [#uses=1]
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%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]
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store <4 x float> %tmp11, <4 x float>* %res
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ret void
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}
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define <4 x float> @test14(<4 x float>* %x, <4 x float>* %y) nounwind {
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; CHECK-LABEL: test14:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; CHECK-NEXT: movaps (%ecx), %xmm1
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; CHECK-NEXT: movaps (%eax), %xmm2
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; CHECK-NEXT: movaps %xmm2, %xmm0
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; CHECK-NEXT: addps %xmm1, %xmm0
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; CHECK-NEXT: subps %xmm1, %xmm2
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; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm2[0]
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; CHECK-NEXT: retl
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%tmp = load <4 x float>* %y ; <<4 x float>> [#uses=2]
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%tmp5 = load <4 x float>* %x ; <<4 x float>> [#uses=2]
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%tmp9 = fadd <4 x float> %tmp5, %tmp ; <<4 x float>> [#uses=1]
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%tmp21 = fsub <4 x float> %tmp5, %tmp ; <<4 x float>> [#uses=1]
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%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]
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ret <4 x float> %tmp27
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}
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define <4 x float> @test15(<4 x float>* %x, <4 x float>* %y) nounwind {
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; CHECK-LABEL: test15:
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; CHECK: ## BB#0: ## %entry
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %ecx
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; CHECK-NEXT: movapd (%ecx), %xmm0
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; CHECK-NEXT: unpckhpd {{.*#+}} xmm0 = xmm0[1],mem[1]
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; CHECK-NEXT: retl
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entry:
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%tmp = load <4 x float>* %y ; <<4 x float>> [#uses=1]
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%tmp3 = load <4 x float>* %x ; <<4 x float>> [#uses=1]
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%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]
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ret <4 x float> %tmp4
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}
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; PR8900
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define <2 x double> @test16(<4 x double> * nocapture %srcA, <2 x double>* nocapture %dst) {
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; CHECK-LABEL: test16:
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; CHECK: ## BB#0:
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; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
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; CHECK-NEXT: movapd 96(%eax), %xmm0
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; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],mem[0]
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; CHECK-NEXT: retl
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%i5 = getelementptr inbounds <4 x double>* %srcA, i32 3
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%i6 = load <4 x double>* %i5, align 32
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%i7 = shufflevector <4 x double> %i6, <4 x double> undef, <2 x i32> <i32 0, i32 2>
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ret <2 x double> %i7
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}
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; PR9009
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define fastcc void @test17() nounwind {
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; CHECK-LABEL: test17:
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; CHECK: ## BB#0: ## %entry
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; CHECK-NEXT: movaps {{.*#+}} xmm0 = <u,u,32768,32768>
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; CHECK-NEXT: movaps %xmm0, (%eax)
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; CHECK-NEXT: retl
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entry:
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%0 = insertelement <4 x i32> undef, i32 undef, i32 1
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%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>
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%2 = bitcast <4 x i32> %1 to <4 x float>
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store <4 x float> %2, <4 x float> * undef
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ret void
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}
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; PR9210
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define <4 x float> @f(<4 x double>) nounwind {
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; CHECK-LABEL: f:
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; CHECK: ## BB#0: ## %entry
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; CHECK-NEXT: cvtpd2ps %xmm1, %xmm1
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; CHECK-NEXT: cvtpd2ps %xmm0, %xmm0
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; CHECK-NEXT: unpcklpd {{.*#+}} xmm0 = xmm0[0],xmm1[0]
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; CHECK-NEXT: retl
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entry:
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%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
|
|
; 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: pshufd {{.*#+}} xmm1 = xmm0[2,3,0,1]
|
|
; CHECK-NEXT: movd %xmm1, %eax
|
|
; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm0[3,1,2,3]
|
|
; CHECK-NEXT: movd %xmm1, %ecx
|
|
; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
|
|
; CHECK-NEXT: pxor %xmm0, %xmm0
|
|
; CHECK-NEXT: movss %xmm1, %xmm0
|
|
; CHECK-NEXT: movd %ecx, %xmm1
|
|
; CHECK-NEXT: movd %eax, %xmm2
|
|
; CHECK-NEXT: punpckldq {{.*#+}} xmm2 = xmm2[0],xmm1[0],xmm2[1],xmm1[1]
|
|
; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm2[0,1]
|
|
; 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 {{.*#+}} xmm1 = xmm1[1,1,3,3]
|
|
; CHECK-NEXT: pmuludq %xmm2, %xmm1
|
|
; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2]
|
|
; CHECK-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2,1,3]
|
|
; CHECK-NEXT: retl
|
|
%m = mul <4 x i32> %x, %y
|
|
ret <4 x i32> %m
|
|
}
|