commit 63f3383ece25efa625eab4d0cd75b4225a3f034c
author Simon Pilgrim <llvm-dev@redking.me.uk> Thu Jan 31 14:04:07 2019 +0000
committer Simon Pilgrim <llvm-dev@redking.me.uk> Thu Jan 31 14:04:07 2019 +0000
tree 2516c1fb102104328d39ce3a1c9e374ab7197671
parent 140f75f625bc815c5c7c73a6ba765d49998f95c4

[X86][AVX] Fold broadcast(bitcast(src)) -> bitcast(broadcast(src))

llvm-svn: 352751

llvm/test/CodeGen/X86/avx-vbroadcast.ll

diff --git a/llvm/test/CodeGen/X86/avx-vbroadcast.ll b/llvm/test/CodeGen/X86/avx-vbroadcast.ll
index ccb054d..9346c94 100644
--- a/llvm/test/CodeGen/X86/avx-vbroadcast.ll
+++ b/llvm/test/CodeGen/X86/avx-vbroadcast.ll
@@ -45,9 +45,9 @@
 ; X64-LABEL: A2:
 ; X64:       ## %bb.0: ## %entry
 ; X64-NEXT:    movq (%rdi), %rax
-; X64-NEXT:    vmovq %rax, %xmm0
 ; X64-NEXT:    movq %rax, (%rsi)
-; X64-NEXT:    vmovddup {{.*#+}} xmm0 = xmm0[0,0]
+; X64-NEXT:    vmovq %rax, %xmm0
+; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
 ; X64-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
 ; X64-NEXT:    retq
 entry:
@@ -110,8 +110,8 @@
 ; X32-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X32-NEXT:    movl {{[0-9]+}}(%esp), %ecx
 ; X32-NEXT:    movl (%ecx), %ecx
-; X32-NEXT:    vmovd %ecx, %xmm0
 ; X32-NEXT:    movl %ecx, (%eax)
+; X32-NEXT:    vmovd %ecx, %xmm0
 ; X32-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,0,0]
 ; X32-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
 ; X32-NEXT:    retl
@@ -119,8 +119,8 @@
 ; X64-LABEL: B3:
 ; X64:       ## %bb.0: ## %entry
 ; X64-NEXT:    movl (%rdi), %eax
-; X64-NEXT:    vmovd %eax, %xmm0
 ; X64-NEXT:    movl %eax, (%rsi)
+; X64-NEXT:    vmovd %eax, %xmm0
 ; X64-NEXT:    vpshufd {{.*#+}} xmm0 = xmm0[0,0,0,0]
 ; X64-NEXT:    vinsertf128 $1, %xmm0, %ymm0, %ymm0
 ; X64-NEXT:    retq

llvm/test/CodeGen/X86/avx2-vbroadcast.ll

diff --git a/llvm/test/CodeGen/X86/avx2-vbroadcast.ll b/llvm/test/CodeGen/X86/avx2-vbroadcast.ll
index b333e91..9d4cfce 100644
--- a/llvm/test/CodeGen/X86/avx2-vbroadcast.ll
+++ b/llvm/test/CodeGen/X86/avx2-vbroadcast.ll
@@ -244,8 +244,7 @@
 ; X32-LABEL: broadcast_mem_v4i16_v16i16:
 ; X32:       ## %bb.0:
 ; X32-NEXT:    movl {{[0-9]+}}(%esp), %eax
-; X32-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
-; X32-NEXT:    vbroadcastsd %xmm0, %ymm0
+; X32-NEXT:    vbroadcastsd (%eax), %ymm0
 ; X32-NEXT:    retl
 ;
 ; X64-LABEL: broadcast_mem_v4i16_v16i16:

llvm/test/CodeGen/X86/subvector-broadcast.ll

diff --git a/llvm/test/CodeGen/X86/subvector-broadcast.ll b/llvm/test/CodeGen/X86/subvector-broadcast.ll
index f72d9ba..066e4dc 100644
--- a/llvm/test/CodeGen/X86/subvector-broadcast.ll
+++ b/llvm/test/CodeGen/X86/subvector-broadcast.ll
@@ -1592,15 +1592,13 @@
 ; X32-AVX2-LABEL: test_2xi32_to_8xi32_mem:
 ; X32-AVX2:       # %bb.0:
 ; X32-AVX2-NEXT:    movl {{[0-9]+}}(%esp), %eax
-; X32-AVX2-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
-; X32-AVX2-NEXT:    vbroadcastsd %xmm0, %ymm0
+; X32-AVX2-NEXT:    vbroadcastsd (%eax), %ymm0
 ; X32-AVX2-NEXT:    retl
 ;
 ; X32-AVX512-LABEL: test_2xi32_to_8xi32_mem:
 ; X32-AVX512:       # %bb.0:
 ; X32-AVX512-NEXT:    movl {{[0-9]+}}(%esp), %eax
-; X32-AVX512-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
-; X32-AVX512-NEXT:    vbroadcastsd %xmm0, %ymm0
+; X32-AVX512-NEXT:    vbroadcastsd (%eax), %ymm0
 ; X32-AVX512-NEXT:    retl
 ;
 ; X64-AVX1-LABEL: test_2xi32_to_8xi32_mem:
@@ -1635,8 +1633,7 @@
 ; X32-AVX2-LABEL: test_2xi32_to_16xi32_mem:
 ; X32-AVX2:       # %bb.0:
 ; X32-AVX2-NEXT:    movl {{[0-9]+}}(%esp), %eax
-; X32-AVX2-NEXT:    vmovsd {{.*#+}} xmm0 = mem[0],zero
-; X32-AVX2-NEXT:    vbroadcastsd %xmm0, %ymm0
+; X32-AVX2-NEXT:    vbroadcastsd (%eax), %ymm0
 ; X32-AVX2-NEXT:    vmovaps %ymm0, %ymm1
 ; X32-AVX2-NEXT:    retl
 ;