From b9e47a8cd0c648422d401d6620130bf06c60fc6f Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Sat, 23 Jul 2016 16:19:17 +0000 Subject: [PATCH] [X86][SSE] Added tests where we should be trying to widen a load+splat into a broadcast llvm-svn: 276527 --- llvm/test/CodeGen/X86/widened-broadcast.ll | 149 +++++++++++++++++++++++++++++ 1 file changed, 149 insertions(+) create mode 100644 llvm/test/CodeGen/X86/widened-broadcast.ll diff --git a/llvm/test/CodeGen/X86/widened-broadcast.ll b/llvm/test/CodeGen/X86/widened-broadcast.ll new file mode 100644 index 0000000..0c71db5 --- /dev/null +++ b/llvm/test/CodeGen/X86/widened-broadcast.ll @@ -0,0 +1,149 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE2 +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE42 +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1 +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX --check-prefix=AVX2 +; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefix=AVX --check-prefix=AVX512 --check-prefix=AVX512F + +; Widened shuffle broadcast loads + +define <4 x i32> @load_splat_4i32_4i32_0101(<4 x i32>* %ptr) nounwind uwtable readnone ssp { +; SSE-LABEL: load_splat_4i32_4i32_0101: +; SSE: # BB#0: # %entry +; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[0,1,0,1] +; SSE-NEXT: retq +; +; AVX1-LABEL: load_splat_4i32_4i32_0101: +; AVX1: # BB#0: # %entry +; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = mem[0,1,0,1] +; AVX1-NEXT: retq +; +; AVX2-LABEL: load_splat_4i32_4i32_0101: +; AVX2: # BB#0: # %entry +; AVX2-NEXT: vpbroadcastq (%rdi), %xmm0 +; AVX2-NEXT: retq +; +; AVX512-LABEL: load_splat_4i32_4i32_0101: +; AVX512: # BB#0: # %entry +; AVX512-NEXT: vpbroadcastq (%rdi), %xmm0 +; AVX512-NEXT: retq +entry: + %ld = load <4 x i32>, <4 x i32>* %ptr + %ret = shufflevector <4 x i32> %ld, <4 x i32> undef, <4 x i32> + ret <4 x i32> %ret +} + +define <8 x i32> @load_splat_8i32_4i32_01010101(<4 x i32>* %ptr) nounwind uwtable readnone ssp { +; SSE-LABEL: load_splat_8i32_4i32_01010101: +; SSE: # BB#0: # %entry +; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[0,1,0,1] +; SSE-NEXT: movdqa %xmm0, %xmm1 +; SSE-NEXT: retq +; +; AVX1-LABEL: load_splat_8i32_4i32_01010101: +; AVX1: # BB#0: # %entry +; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = mem[0,1,0,1] +; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0 +; AVX1-NEXT: retq +; +; AVX2-LABEL: load_splat_8i32_4i32_01010101: +; AVX2: # BB#0: # %entry +; AVX2-NEXT: vmovaps (%rdi), %xmm0 +; AVX2-NEXT: vbroadcastsd %xmm0, %ymm0 +; AVX2-NEXT: retq +; +; AVX512-LABEL: load_splat_8i32_4i32_01010101: +; AVX512: # BB#0: # %entry +; AVX512-NEXT: vmovaps (%rdi), %xmm0 +; AVX512-NEXT: vbroadcastsd %xmm0, %ymm0 +; AVX512-NEXT: retq +entry: + %ld = load <4 x i32>, <4 x i32>* %ptr + %ret = shufflevector <4 x i32> %ld, <4 x i32> undef, <8 x i32> + ret <8 x i32> %ret +} + +define <8 x i32> @load_splat_8i32_8i32_01010101(<8 x i32>* %ptr) nounwind uwtable readnone ssp { +; SSE-LABEL: load_splat_8i32_8i32_01010101: +; SSE: # BB#0: # %entry +; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[0,1,0,1] +; SSE-NEXT: movdqa %xmm0, %xmm1 +; SSE-NEXT: retq +; +; AVX1-LABEL: load_splat_8i32_8i32_01010101: +; AVX1: # BB#0: # %entry +; AVX1-NEXT: vmovapd (%rdi), %ymm0 +; AVX1-NEXT: vmovddup {{.*#+}} xmm0 = xmm0[0,0] +; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0 +; AVX1-NEXT: retq +; +; AVX2-LABEL: load_splat_8i32_8i32_01010101: +; AVX2: # BB#0: # %entry +; AVX2-NEXT: vbroadcastsd (%rdi), %ymm0 +; AVX2-NEXT: retq +; +; AVX512-LABEL: load_splat_8i32_8i32_01010101: +; AVX512: # BB#0: # %entry +; AVX512-NEXT: vbroadcastsd (%rdi), %ymm0 +; AVX512-NEXT: retq +entry: + %ld = load <8 x i32>, <8 x i32>* %ptr + %ret = shufflevector <8 x i32> %ld, <8 x i32> undef, <8 x i32> + ret <8 x i32> %ret +} + +define <8 x i16> @load_splat_8i16_8i16_01010101(<8 x i16>* %ptr) nounwind uwtable readnone ssp { +; SSE-LABEL: load_splat_8i16_8i16_01010101: +; SSE: # BB#0: # %entry +; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[0,0,0,0] +; SSE-NEXT: retq +; +; AVX1-LABEL: load_splat_8i16_8i16_01010101: +; AVX1: # BB#0: # %entry +; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = mem[0,0,0,0] +; AVX1-NEXT: retq +; +; AVX2-LABEL: load_splat_8i16_8i16_01010101: +; AVX2: # BB#0: # %entry +; AVX2-NEXT: vbroadcastss (%rdi), %xmm0 +; AVX2-NEXT: retq +; +; AVX512-LABEL: load_splat_8i16_8i16_01010101: +; AVX512: # BB#0: # %entry +; AVX512-NEXT: vbroadcastss (%rdi), %xmm0 +; AVX512-NEXT: retq +entry: + %ld = load <8 x i16>, <8 x i16>* %ptr + %ret = shufflevector <8 x i16> %ld, <8 x i16> undef, <8 x i32> + ret <8 x i16> %ret +} + +define <16 x i16> @load_splat_16i16_16i16_01010101(<16 x i16>* %ptr) nounwind uwtable readnone ssp { +; SSE-LABEL: load_splat_16i16_16i16_01010101: +; SSE: # BB#0: # %entry +; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[0,0,0,0] +; SSE-NEXT: movdqa %xmm0, %xmm1 +; SSE-NEXT: retq +; +; AVX1-LABEL: load_splat_16i16_16i16_01010101: +; AVX1: # BB#0: # %entry +; AVX1-NEXT: vmovaps (%rdi), %ymm0 +; AVX1-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,0,0,0] +; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0 +; AVX1-NEXT: retq +; +; AVX2-LABEL: load_splat_16i16_16i16_01010101: +; AVX2: # BB#0: # %entry +; AVX2-NEXT: vbroadcastss (%rdi), %ymm0 +; AVX2-NEXT: retq +; +; AVX512-LABEL: load_splat_16i16_16i16_01010101: +; AVX512: # BB#0: # %entry +; AVX512-NEXT: vbroadcastss (%rdi), %ymm0 +; AVX512-NEXT: retq +entry: + %ld = load <16 x i16>, <16 x i16>* %ptr + %ret = shufflevector <16 x i16> %ld, <16 x i16> undef, <16 x i32> + ret <16 x i16> %ret +} + -- 2.7.4