Tighten checks so we can see existing codegen
The 2-element vector case shows a surprising bug: we failed to eliminate ops on undefs, so there are 4 fmax calls even though there can only be 2 valid elements in the inputs. llvm-svn: 254920
This commit is contained in:
Sanjay Patel
parent
dc7b6c3623
commit
fe2e9121e2
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@ -1,5 +1,5 @@
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; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=sse2 < %s | FileCheck %s
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; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=avx < %s | FileCheck %s
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; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=sse2 < %s | FileCheck %s --check-prefix=CHECK --check-prefix=SSE
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; RUN: llc -mtriple=x86_64-unknown-unknown -mattr=avx < %s | FileCheck %s --check-prefix=CHECK --check-prefix=AVX
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declare float @fmaxf(float, float)
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declare double @fmax(double, double)
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@ -58,18 +58,116 @@ define x86_fp80 @test_intrinsic_fmaxl(x86_fp80 %x, x86_fp80 %y) {
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}
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; CHECK-LABEL: @test_intrinsic_fmax_v2f32
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; CHECK: callq fmaxf
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; CHECK: callq fmaxf
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; SSE: movaps %xmm1, {{[0-9]+}}(%rsp) # 16-byte Spill
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; SSE-NEXT: movaps %xmm0, {{[0-9]+}}(%rsp) # 16-byte Spill
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; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,1,2,3]
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; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[3,1,2,3]
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; SSE-NEXT: callq fmaxf
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; SSE-NEXT: movaps %xmm0, {{[0-9]+}}(%rsp) # 16-byte Spill
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; SSE-NEXT: movaps {{[0-9]+}}(%rsp), %xmm0 # 16-byte Reload
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; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,1,2,3]
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; SSE-NEXT: movaps {{[0-9]+}}(%rsp), %xmm1 # 16-byte Reload
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; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,1,2,3]
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; SSE-NEXT: callq fmaxf
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; SSE-NEXT: unpcklps {{[0-9]+}}(%rsp), %xmm0 # 16-byte Folded Reload
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; SSE: movaps %xmm0, {{[0-9]+}}(%rsp) # 16-byte Spill
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; SSE-NEXT: movaps {{[0-9]+}}(%rsp), %xmm0 # 16-byte Reload
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; SSE-NEXT: movaps {{[0-9]+}}(%rsp), %xmm1 # 16-byte Reload
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; SSE-NEXT: callq fmaxf
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; SSE-NEXT: movaps %xmm0, (%rsp) # 16-byte Spill
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; SSE-NEXT: movapd {{[0-9]+}}(%rsp), %xmm0 # 16-byte Reload
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; SSE-NEXT: shufpd {{.*#+}} xmm0 = xmm0[1,0]
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; SSE-NEXT: movapd {{[0-9]+}}(%rsp), %xmm1 # 16-byte Reload
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; SSE-NEXT: shufpd {{.*#+}} xmm1 = xmm1[1,0]
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; SSE-NEXT: callq fmaxf
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; SSE-NEXT: movaps (%rsp), %xmm1 # 16-byte Reload
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; SSE-NEXT: unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
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; SSE-NEXT: unpcklps {{[0-9]+}}(%rsp), %xmm1 # 16-byte Folded Reload
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; SSE: movaps %xmm1, %xmm0
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; SSE-NEXT: addq $72, %rsp
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; SSE-NEXT: retq
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;
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; AVX: vmovaps %xmm1, {{[0-9]+}}(%rsp) # 16-byte Spill
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; AVX-NEXT: vmovaps %xmm0, {{[0-9]+}}(%rsp) # 16-byte Spill
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; AVX-NEXT: callq fmaxf
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; AVX-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
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; AVX-NEXT: vmovshdup {{[0-9]+}}(%rsp), %xmm0 # 16-byte Folded Reload
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; AVX: vmovshdup {{[0-9]+}}(%rsp), %xmm1 # 16-byte Folded Reload
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; AVX: callq fmaxf
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; AVX-NEXT: vmovaps (%rsp), %xmm1 # 16-byte Reload
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; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[2,3]
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; AVX-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
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; AVX-NEXT: vpermilpd $1, {{[0-9]+}}(%rsp), %xmm0 # 16-byte Folded Reload
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; AVX: vpermilpd $1, {{[0-9]+}}(%rsp), %xmm1 # 16-byte Folded Reload
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; AVX: callq fmaxf
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; AVX-NEXT: vmovaps (%rsp), %xmm1 # 16-byte Reload
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; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm1[0,1],xmm0[0],xmm1[3]
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; AVX-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
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; AVX-NEXT: vpermilps $231, {{[0-9]+}}(%rsp), %xmm0 # 16-byte Folded Reload
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; AVX: vpermilps $231, {{[0-9]+}}(%rsp), %xmm1 # 16-byte Folded Reload
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; AVX: callq fmaxf
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; AVX-NEXT: vmovaps (%rsp), %xmm1 # 16-byte Reload
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; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
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; AVX-NEXT: addq $56, %rsp
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; AVX-NEXT: retq
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define <2 x float> @test_intrinsic_fmax_v2f32(<2 x float> %x, <2 x float> %y) {
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%z = call <2 x float> @llvm.maxnum.v2f32(<2 x float> %x, <2 x float> %y) readnone
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ret <2 x float> %z
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}
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; CHECK-LABEL: @test_intrinsic_fmax_v4f32
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; CHECK: callq fmaxf
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; CHECK: callq fmaxf
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; CHECK: callq fmaxf
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; CHECK: callq fmaxf
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; SSE: movaps %xmm1, {{[0-9]+}}(%rsp) # 16-byte Spill
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; SSE-NEXT: movaps %xmm0, {{[0-9]+}}(%rsp) # 16-byte Spill
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; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,1,2,3]
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; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[3,1,2,3]
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; SSE-NEXT: callq fmaxf
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; SSE-NEXT: movaps %xmm0, {{[0-9]+}}(%rsp) # 16-byte Spill
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; SSE-NEXT: movaps {{[0-9]+}}(%rsp), %xmm0 # 16-byte Reload
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; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,1,2,3]
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; SSE-NEXT: movaps {{[0-9]+}}(%rsp), %xmm1 # 16-byte Reload
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; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,1,2,3]
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; SSE-NEXT: callq fmaxf
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; SSE-NEXT: unpcklps {{[0-9]+}}(%rsp), %xmm0 # 16-byte Folded Reload
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; SSE: movaps %xmm0, {{[0-9]+}}(%rsp) # 16-byte Spill
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; SSE-NEXT: movaps {{[0-9]+}}(%rsp), %xmm0 # 16-byte Reload
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; SSE-NEXT: movaps {{[0-9]+}}(%rsp), %xmm1 # 16-byte Reload
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; SSE-NEXT: callq fmaxf
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; SSE-NEXT: movaps %xmm0, (%rsp) # 16-byte Spill
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; SSE-NEXT: movapd {{[0-9]+}}(%rsp), %xmm0 # 16-byte Reload
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; SSE-NEXT: shufpd {{.*#+}} xmm0 = xmm0[1,0]
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; SSE-NEXT: movapd {{[0-9]+}}(%rsp), %xmm1 # 16-byte Reload
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; SSE-NEXT: shufpd {{.*#+}} xmm1 = xmm1[1,0]
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; SSE-NEXT: callq fmaxf
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; SSE-NEXT: movaps (%rsp), %xmm1 # 16-byte Reload
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; SSE-NEXT: unpcklps {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
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; SSE-NEXT: unpcklps {{[0-9]+}}(%rsp), %xmm1 # 16-byte Folded Reload
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; SSE: movaps %xmm1, %xmm0
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; SSE-NEXT: addq $72, %rsp
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; SSE-NEXT: retq
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;
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; AVX: vmovaps %xmm1, {{[0-9]+}}(%rsp) # 16-byte Spill
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; AVX-NEXT: vmovaps %xmm0, {{[0-9]+}}(%rsp) # 16-byte Spill
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; AVX-NEXT: callq fmaxf
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; AVX-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
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; AVX-NEXT: vmovshdup {{[0-9]+}}(%rsp), %xmm0 # 16-byte Folded Reload
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; AVX: vmovshdup {{[0-9]+}}(%rsp), %xmm1 # 16-byte Folded Reload
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; AVX: callq fmaxf
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; AVX-NEXT: vmovaps (%rsp), %xmm1 # 16-byte Reload
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; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm1[0],xmm0[0],xmm1[2,3]
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; AVX-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
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; AVX-NEXT: vpermilpd $1, {{[0-9]+}}(%rsp), %xmm0 # 16-byte Folded Reload
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; AVX: vpermilpd $1, {{[0-9]+}}(%rsp), %xmm1 # 16-byte Folded Reload
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; AVX: callq fmaxf
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; AVX-NEXT: vmovaps (%rsp), %xmm1 # 16-byte Reload
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; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm1[0,1],xmm0[0],xmm1[3]
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; AVX-NEXT: vmovaps %xmm0, (%rsp) # 16-byte Spill
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; AVX-NEXT: vpermilps $231, {{[0-9]+}}(%rsp), %xmm0 # 16-byte Folded Reload
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; AVX: vpermilps $231, {{[0-9]+}}(%rsp), %xmm1 # 16-byte Folded Reload
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; AVX: callq fmaxf
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; AVX-NEXT: vmovaps (%rsp), %xmm1 # 16-byte Reload
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; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm1[0,1,2],xmm0[0]
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; AVX-NEXT: addq $56, %rsp
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; AVX-NEXT: retq
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define <4 x float> @test_intrinsic_fmax_v4f32(<4 x float> %x, <4 x float> %y) {
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%z = call <4 x float> @llvm.maxnum.v4f32(<4 x float> %x, <4 x float> %y) readnone
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ret <4 x float> %z
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