[X86] Add PR39936 HADD Tests

llvm-svn: 359407

diff --git a/llvm/test/CodeGen/X86/phaddsub.ll b/llvm/test/CodeGen/X86/phaddsub.ll
index b4ff08c..d16e0f5 100644 (file)
--- a/llvm/test/CodeGen/X86/phaddsub.ll
+++ b/llvm/test/CodeGen/X86/phaddsub.ll
@@ -757,3 +757,115 @@ define <8 x i16> @phaddw_single_source6(<8 x i16> %x) {
   ret <8 x i16> %shuffle2
 }
 
+define i32 @PR39936_v8i32(<8 x i32>) {
+; SSSE3-SLOW-LABEL: PR39936_v8i32:
+; SSSE3-SLOW:       # %bb.0:
+; SSSE3-SLOW-NEXT:    phaddd %xmm1, %xmm0
+; SSSE3-SLOW-NEXT:    pshufd {{.*#+}} xmm1 = xmm0[0,2,2,3]
+; SSSE3-SLOW-NEXT:    pshufd {{.*#+}} xmm0 = xmm0[1,3,2,3]
+; SSSE3-SLOW-NEXT:    paddd %xmm1, %xmm0
+; SSSE3-SLOW-NEXT:    pshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
+; SSSE3-SLOW-NEXT:    paddd %xmm0, %xmm1
+; SSSE3-SLOW-NEXT:    movd %xmm1, %eax
+; SSSE3-SLOW-NEXT:    retq
+;
+; SSSE3-FAST-LABEL: PR39936_v8i32:
+; SSSE3-FAST:       # %bb.0:
+; SSSE3-FAST-NEXT:    phaddd %xmm1, %xmm0
+; SSSE3-FAST-NEXT:    phaddd %xmm0, %xmm0
+; SSSE3-FAST-NEXT:    phaddd %xmm0, %xmm0
+; SSSE3-FAST-NEXT:    movd %xmm0, %eax
+; SSSE3-FAST-NEXT:    retq
+;
+; AVX-SLOW-LABEL: PR39936_v8i32:
+; AVX-SLOW:       # %bb.0:
+; AVX-SLOW-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-SLOW-NEXT:    vshufps {{.*#+}} xmm2 = xmm0[0,2],xmm1[0,2]
+; AVX-SLOW-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[1,3],xmm1[1,3]
+; AVX-SLOW-NEXT:    vpaddd %xmm0, %xmm2, %xmm0
+; AVX-SLOW-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[0,2,2,3]
+; AVX-SLOW-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[1,3,2,3]
+; AVX-SLOW-NEXT:    vpaddd %xmm0, %xmm1, %xmm0
+; AVX-SLOW-NEXT:    vpshufd {{.*#+}} xmm1 = xmm0[1,1,2,3]
+; AVX-SLOW-NEXT:    vpaddd %xmm0, %xmm1, %xmm0
+; AVX-SLOW-NEXT:    vmovd %xmm0, %eax
+; AVX-SLOW-NEXT:    vzeroupper
+; AVX-SLOW-NEXT:    retq
+;
+; AVX-FAST-LABEL: PR39936_v8i32:
+; AVX-FAST:       # %bb.0:
+; AVX-FAST-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-FAST-NEXT:    vshufps {{.*#+}} xmm2 = xmm0[0,2],xmm1[0,2]
+; AVX-FAST-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[1,3],xmm1[1,3]
+; AVX-FAST-NEXT:    vpaddd %xmm0, %xmm2, %xmm0
+; AVX-FAST-NEXT:    vphaddd %xmm0, %xmm0, %xmm0
+; AVX-FAST-NEXT:    vphaddd %xmm0, %xmm0, %xmm0
+; AVX-FAST-NEXT:    vmovd %xmm0, %eax
+; AVX-FAST-NEXT:    vzeroupper
+; AVX-FAST-NEXT:    retq
+  %2 = shufflevector <8 x i32> %0, <8 x i32> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 undef, i32 undef, i32 undef, i32 undef>
+  %3 = shufflevector <8 x i32> %0, <8 x i32> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 undef, i32 undef, i32 undef, i32 undef>
+  %4 = add <8 x i32> %2, %3
+  %5 = shufflevector <8 x i32> %4, <8 x i32> undef, <8 x i32> <i32 0, i32 2, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %6 = shufflevector <8 x i32> %4, <8 x i32> undef, <8 x i32> <i32 1, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %7 = add <8 x i32> %5, %6
+  %8 = shufflevector <8 x i32> %7, <8 x i32> undef, <8 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %9 = add <8 x i32> %8, %7
+  %10 = extractelement <8 x i32> %9, i32 0
+  ret i32 %10
+}
+
+define float @PR39936_v8f32(<8 x float>) {
+; SSSE3-SLOW-LABEL: PR39936_v8f32:
+; SSSE3-SLOW:       # %bb.0:
+; SSSE3-SLOW-NEXT:    haddps %xmm1, %xmm0
+; SSSE3-SLOW-NEXT:    movaps %xmm0, %xmm1
+; SSSE3-SLOW-NEXT:    shufps {{.*#+}} xmm1 = xmm1[0,2],xmm0[2,3]
+; SSSE3-SLOW-NEXT:    shufps {{.*#+}} xmm0 = xmm0[1,3,2,3]
+; SSSE3-SLOW-NEXT:    addps %xmm1, %xmm0
+; SSSE3-SLOW-NEXT:    movshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
+; SSSE3-SLOW-NEXT:    addss %xmm1, %xmm0
+; SSSE3-SLOW-NEXT:    retq
+;
+; SSSE3-FAST-LABEL: PR39936_v8f32:
+; SSSE3-FAST:       # %bb.0:
+; SSSE3-FAST-NEXT:    haddps %xmm1, %xmm0
+; SSSE3-FAST-NEXT:    haddps %xmm0, %xmm0
+; SSSE3-FAST-NEXT:    haddps %xmm0, %xmm0
+; SSSE3-FAST-NEXT:    retq
+;
+; AVX-SLOW-LABEL: PR39936_v8f32:
+; AVX-SLOW:       # %bb.0:
+; AVX-SLOW-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-SLOW-NEXT:    vshufps {{.*#+}} xmm2 = xmm0[0,2],xmm1[0,2]
+; AVX-SLOW-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[1,3],xmm1[1,3]
+; AVX-SLOW-NEXT:    vaddps %xmm0, %xmm2, %xmm0
+; AVX-SLOW-NEXT:    vpermilps {{.*#+}} xmm1 = xmm0[0,2,2,3]
+; AVX-SLOW-NEXT:    vpermilps {{.*#+}} xmm0 = xmm0[1,3,2,3]
+; AVX-SLOW-NEXT:    vaddps %xmm0, %xmm1, %xmm0
+; AVX-SLOW-NEXT:    vmovshdup {{.*#+}} xmm1 = xmm0[1,1,3,3]
+; AVX-SLOW-NEXT:    vaddss %xmm1, %xmm0, %xmm0
+; AVX-SLOW-NEXT:    vzeroupper
+; AVX-SLOW-NEXT:    retq
+;
+; AVX-FAST-LABEL: PR39936_v8f32:
+; AVX-FAST:       # %bb.0:
+; AVX-FAST-NEXT:    vextractf128 $1, %ymm0, %xmm1
+; AVX-FAST-NEXT:    vshufps {{.*#+}} xmm2 = xmm0[0,2],xmm1[0,2]
+; AVX-FAST-NEXT:    vshufps {{.*#+}} xmm0 = xmm0[1,3],xmm1[1,3]
+; AVX-FAST-NEXT:    vaddps %xmm0, %xmm2, %xmm0
+; AVX-FAST-NEXT:    vhaddps %xmm0, %xmm0, %xmm0
+; AVX-FAST-NEXT:    vhaddps %xmm0, %xmm0, %xmm0
+; AVX-FAST-NEXT:    vzeroupper
+; AVX-FAST-NEXT:    retq
+  %2 = shufflevector <8 x float> %0, <8 x float> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 undef, i32 undef, i32 undef, i32 undef>
+  %3 = shufflevector <8 x float> %0, <8 x float> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 undef, i32 undef, i32 undef, i32 undef>
+  %4 = fadd <8 x float> %2, %3
+  %5 = shufflevector <8 x float> %4, <8 x float> undef, <8 x i32> <i32 0, i32 2, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %6 = shufflevector <8 x float> %4, <8 x float> undef, <8 x i32> <i32 1, i32 3, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %7 = fadd <8 x float> %5, %6
+  %8 = shufflevector <8 x float> %7, <8 x float> undef, <8 x i32> <i32 1, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
+  %9 = fadd <8 x float> %7, %8
+  %10 = extractelement <8 x float> %9, i32 0
+  ret float %10
+}