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Revert 273848, it caused PR28329 

llvm-svn: 273879
This commit is contained in:
Nico Weber 2016-06-27 14:36:46 +00:00
parent 5047f24818
commit 1e058160dd
3 changed files with 12 additions and 12 deletions
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7
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -8510,13 +8510,6 @@ static SDValue lowerVectorShuffleAsBroadcast(const SDLoc &DL, MVT VT,
SDValue V = V1;
for (;;) {
switch (V.getOpcode()) {
case ISD::BITCAST: {
SDValue VSrc = V.getOperand(0);
if (NumElts != VSrc.getSimpleValueType().getVectorNumElements())
break;
V = VSrc;
continue;
}
case ISD::CONCAT_VECTORS: {
int OperandSize = Mask.size() / V.getNumOperands();
V = V.getOperand(BroadcastIdx / OperandSize);

14
llvm/test/CodeGen/X86/avx-vbroadcast.ll
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@ -173,12 +173,14 @@ define <8 x i32> @load_splat_8i32_4i32_33333333(<4 x i32>* %ptr) nounwind uwtabl
; X32-LABEL: load_splat_8i32_4i32_33333333:
; X32: ## BB#0: ## %entry
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: vbroadcastss 12(%eax), %ymm0
; X32-NEXT: vpermilps {{.*#+}} xmm0 = mem[3,3,3,3]
; X32-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; X32-NEXT: retl
;
; X64-LABEL: load_splat_8i32_4i32_33333333:
; X64: ## BB#0: ## %entry
; X64-NEXT: vbroadcastss 12(%rdi), %ymm0
; X64-NEXT: vpermilps {{.*#+}} xmm0 = mem[3,3,3,3]
; X64-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; X64-NEXT: retq
entry:
%ld = load <4 x i32>, <4 x i32>* %ptr
@ -275,12 +277,16 @@ define <4 x i64> @load_splat_4i64_2i64_1111(<2 x i64>* %ptr) nounwind uwtable re
; X32-LABEL: load_splat_4i64_2i64_1111:
; X32: ## BB#0: ## %entry
; X32-NEXT: movl {{[0-9]+}}(%esp), %eax
; X32-NEXT: vbroadcastsd 8(%eax), %ymm0
; X32-NEXT: vmovaps (%eax), %xmm0
; X32-NEXT: vmovhlps {{.*#+}} xmm0 = xmm0[1,1]
; X32-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; X32-NEXT: retl
;
; X64-LABEL: load_splat_4i64_2i64_1111:
; X64: ## BB#0: ## %entry
; X64-NEXT: vbroadcastsd 8(%rdi), %ymm0
; X64-NEXT: vmovaps (%rdi), %xmm0
; X64-NEXT: vmovhlps {{.*#+}} xmm0 = xmm0[1,1]
; X64-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; X64-NEXT: retq
entry:
%ld = load <2 x i64>, <2 x i64>* %ptr

3
llvm/test/CodeGen/X86/vector-shuffle-256-v4.ll
View File

@ -1320,7 +1320,8 @@ define <4 x double> @splat_v4f64(<2 x double> %r) {
define <4 x i64> @splat_mem_v4i64_from_v2i64(<2 x i64>* %ptr) {
; AVX1-LABEL: splat_mem_v4i64_from_v2i64:
; AVX1: # BB#0:
; AVX1-NEXT: vbroadcastsd (%rdi), %ymm0
; AVX1-NEXT: vmovddup {{.*#+}} xmm0 = mem[0,0]
; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; AVX1-NEXT: retq
;
; AVX2-LABEL: splat_mem_v4i64_from_v2i64: