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[X86] Fix PR23155 by turning on X86FixupBWInsts by default. 

Differential Revision: http://reviews.llvm.org/D18866

llvm-svn: 265830
This commit is contained in:
Kevin B. Smith 2016-04-08 18:58:29 +00:00
parent c4a2134f26
commit e0a6fc3bcc
4 changed files with 5 additions and 5 deletions
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2
llvm/lib/Target/X86/X86FixupBWInsts.cpp
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@ -68,7 +68,7 @@ using namespace llvm;
static cl::opt<bool>
FixupBWInsts("fixup-byte-word-insts",
cl::desc("Change byte and word instructions to larger sizes"),
cl::init(false), cl::Hidden);
cl::init(true), cl::Hidden);
namespace {
class FixupBWInstPass : public MachineFunctionPass {

2
llvm/test/CodeGen/X86/anyext.ll
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@ -30,7 +30,7 @@ define i32 @foo(i32 %p, i8 zeroext %x) nounwind {
define i32 @bar(i32 %p, i16 zeroext %x) nounwind {
; X32-LABEL: bar:
; X32: # BB#0:
; X32-NEXT: movw {{[0-9]+}}(%esp), %ax
; X32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; X32-NEXT: xorl %edx, %edx
; X32-NEXT: divw {{[0-9]+}}(%esp)
; X32-NEXT: andl $1, %eax

2
llvm/test/CodeGen/X86/avx512bw-intrinsics.ll
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@ -3565,7 +3565,7 @@ define <32 x i16>@test_int_x86_avx512_mask_pbroadcast_w_gpr_512(i16 %x0, <32 x i
;
; AVX512F-32-LABEL: test_int_x86_avx512_mask_pbroadcast_w_gpr_512:
; AVX512F-32: # BB#0:
; AVX512F-32-NEXT: movw {{[0-9]+}}(%esp), %ax
; AVX512F-32-NEXT: movzwl {{[0-9]+}}(%esp), %eax
; AVX512F-32-NEXT: kmovd {{[0-9]+}}(%esp), %k1
; AVX512F-32-NEXT: vpbroadcastw %ax, %zmm0 {%k1}
; AVX512F-32-NEXT: vpbroadcastw %ax, %zmm1 {%k1} {z}

4
llvm/test/CodeGen/X86/merge-store-partially-alias-loads.ll
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@ -6,10 +6,10 @@
; they must not be placed on the same chain after merging.
; X86-LABEL: {{^}}merge_store_partial_overlap_load:
; X86-DAG: movw ([[BASEREG:%[a-z]+]]), [[LO2:%[a-z]+]]
; X86-DAG: movzwl ([[BASEREG:%[a-z]+]]), %e[[LO2:[a-z]+]]
; X86-DAG: movb 2([[BASEREG]]), [[HI1:%[a-z]+]]
; X86-NEXT: movw [[LO2]], 1([[BASEREG]])
; X86-NEXT: movw %[[LO2]], 1([[BASEREG]])
; X86-NEXT: movb [[HI1]], 3([[BASEREG]])
; X86-NEXT: retq