From d606d6bfe1b96b89f7b430193ab6e2def28c1b1a Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Wed, 11 Feb 2015 18:14:35 +0000 Subject: [PATCH] [X86][SSE] Added dual vector truncation tests. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228857 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/CodeGen/X86/vector-trunc.ll | 98 ++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) diff --git a/test/CodeGen/X86/vector-trunc.ll b/test/CodeGen/X86/vector-trunc.ll index 8a5b7488f66..c80a332484b 100644 --- a/test/CodeGen/X86/vector-trunc.ll +++ b/test/CodeGen/X86/vector-trunc.ll @@ -3,6 +3,24 @@ ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+sse4.1 | FileCheck %s --check-prefix=SSE --check-prefix=SSE41 ; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1 +define <4 x i32> @trunc2x2i64(<2 x i64> %a, <2 x i64> %b) { +; SSE-LABEL: trunc2x2i64: +; SSE: # BB#0: # %entry +; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2] +; SSE-NEXT: retq + +; AVX-LABEL: trunc2x2i64: +; AVX: # BB#0: # %entry +; AVX-NEXT: vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[0,2] +; AVX-NEXT: retq + +entry: + %0 = trunc <2 x i64> %a to <2 x i32> + %1 = trunc <2 x i64> %b to <2 x i32> + %2 = shufflevector <2 x i32> %0, <2 x i32> %1, <4 x i32> + ret <4 x i32> %2 +} + define i64 @trunc2i64(<2 x i64> %inval) { ; SSE-LABEL: trunc2i64: ; SSE: # BB#0: # %entry @@ -22,6 +40,49 @@ entry: ret i64 %1 } +define <8 x i16> @trunc2x4i32(<4 x i32> %a, <4 x i32> %b) { +; SSE2-LABEL: trunc2x4i32: +; SSE2: # BB#0: # %entry +; SSE2-NEXT: pshuflw {{.*#+}} xmm1 = xmm1[0,2,2,3,4,5,6,7] +; SSE2-NEXT: pshufhw {{.*#+}} xmm1 = xmm1[0,1,2,3,4,6,6,7] +; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,2,2,3] +; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7] +; SSE2-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7] +; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3] +; SSE2-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0] +; SSE2-NEXT: retq + +; SSSE3-LABEL: trunc2x4i32: +; SSSE3: # BB#0: # %entry +; SSSE3-NEXT: movdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15] +; SSSE3-NEXT: pshufb %xmm2, %xmm1 +; SSSE3-NEXT: pshufb %xmm2, %xmm0 +; SSSE3-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0] +; SSSE3-NEXT: retq + +; SSE41-LABEL: trunc2x4i32: +; SSE41: # BB#0: # %entry +; SSE41-NEXT: movdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15] +; SSE41-NEXT: pshufb %xmm2, %xmm1 +; SSE41-NEXT: pshufb %xmm2, %xmm0 +; SSE41-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0] +; SSE41-NEXT: retq + +; AVX-LABEL: trunc2x4i32: +; AVX: # BB#0: # %entry +; AVX-NEXT: vmovdqa {{.*#+}} xmm2 = [0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15] +; AVX-NEXT: vpshufb %xmm2, %xmm1, %xmm1 +; AVX-NEXT: vpshufb %xmm2, %xmm0, %xmm0 +; AVX-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0] +; AVX-NEXT: retq + +entry: + %0 = trunc <4 x i32> %a to <4 x i16> + %1 = trunc <4 x i32> %b to <4 x i16> + %2 = shufflevector <4 x i16> %0, <4 x i16> %1, <8 x i32> + ret <8 x i16> %2 +} + ; PR15524 http://llvm.org/bugs/show_bug.cgi?id=15524 define i64 @trunc4i32(<4 x i32> %inval) { ; SSE2-LABEL: trunc4i32: @@ -56,6 +117,43 @@ entry: ret i64 %1 } +define <16 x i8> @trunc2x8i16(<8 x i16> %a, <8 x i16> %b) { +; SSE2-LABEL: trunc2x8i16: +; SSE2: # BB#0: # %entry +; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [255,255,255,255,255,255,255,255] +; SSE2-NEXT: pand %xmm2, %xmm1 +; SSE2-NEXT: pand %xmm2, %xmm0 +; SSE2-NEXT: packuswb %xmm1, %xmm0 +; SSE2-NEXT: retq + +; SSSE3-LABEL: trunc2x8i16: +; SSSE3: # BB#0: # %entry +; SSSE3-NEXT: pshufb {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,2,4,6,8,10,12,14] +; SSSE3-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero +; SSSE3-NEXT: por %xmm1, %xmm0 +; SSSE3-NEXT: retq + +; SSE41-LABEL: trunc2x8i16: +; SSE41: # BB#0: # %entry +; SSE41-NEXT: pshufb {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,2,4,6,8,10,12,14] +; SSE41-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero +; SSE41-NEXT: por %xmm1, %xmm0 +; SSE41-NEXT: retq + +; AVX-LABEL: trunc2x8i16: +; AVX: # BB#0: # %entry +; AVX-NEXT: vpshufb {{.*#+}} xmm1 = zero,zero,zero,zero,zero,zero,zero,zero,xmm1[0,2,4,6,8,10,12,14] +; AVX-NEXT: vpshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14],zero,zero,zero,zero,zero,zero,zero,zero +; AVX-NEXT: vpor %xmm1, %xmm0, %xmm0 +; AVX-NEXT: retq + +entry: + %0 = trunc <8 x i16> %a to <8 x i8> + %1 = trunc <8 x i16> %b to <8 x i8> + %2 = shufflevector <8 x i8> %0, <8 x i8> %1, <16 x i32> + ret <16 x i8> %2 +} + ; PR15524 http://llvm.org/bugs/show_bug.cgi?id=15524 define i64 @trunc8i16(<8 x i16> %inval) { ; SSE2-LABEL: trunc8i16: -- 2.34.1