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[X86] Broadcast from memory intructions aren't unfoldable

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Broadcast from memory instructions should be treated as moves. They can't be unfolded.

Fixes pr30693.

llvm-svn: 285998
This commit is contained in:
Zvi Rackover 2016-11-04 15:15:19 +00:00
parent c2b37ca18c
commit 3e1e73805d
2 changed files with 8 additions and 9 deletions
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16
lib/Target/X86/X86InstrInfo.cpp
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@ -739,14 +739,14 @@ X86InstrInfo::X86InstrInfo(X86Subtarget &STI)
{ X86::VPABSBYrr, X86::VPABSBYrm, 0 },
{ X86::VPABSDYrr, X86::VPABSDYrm, 0 },
{ X86::VPABSWYrr, X86::VPABSWYrm, 0 },
{ X86::VPBROADCASTBrr, X86::VPBROADCASTBrm, 0 },
{ X86::VPBROADCASTBYrr, X86::VPBROADCASTBYrm, 0 },
{ X86::VPBROADCASTDrr, X86::VPBROADCASTDrm, 0 },
{ X86::VPBROADCASTDYrr, X86::VPBROADCASTDYrm, 0 },
{ X86::VPBROADCASTQrr, X86::VPBROADCASTQrm, 0 },
{ X86::VPBROADCASTQYrr, X86::VPBROADCASTQYrm, 0 },
{ X86::VPBROADCASTWrr, X86::VPBROADCASTWrm, 0 },
{ X86::VPBROADCASTWYrr, X86::VPBROADCASTWYrm, 0 },
{ X86::VPBROADCASTBrr, X86::VPBROADCASTBrm, TB_NO_REVERSE },
{ X86::VPBROADCASTBYrr, X86::VPBROADCASTBYrm, TB_NO_REVERSE },
{ X86::VPBROADCASTDrr, X86::VPBROADCASTDrm, TB_NO_REVERSE },
{ X86::VPBROADCASTDYrr, X86::VPBROADCASTDYrm, TB_NO_REVERSE },
{ X86::VPBROADCASTQrr, X86::VPBROADCASTQrm, TB_NO_REVERSE },
{ X86::VPBROADCASTQYrr, X86::VPBROADCASTQYrm, TB_NO_REVERSE },
{ X86::VPBROADCASTWrr, X86::VPBROADCASTWrm, TB_NO_REVERSE },
{ X86::VPBROADCASTWYrr, X86::VPBROADCASTWYrm, TB_NO_REVERSE },
{ X86::VPERMPDYri, X86::VPERMPDYmi, 0 },
{ X86::VPERMQYri, X86::VPERMQYmi, 0 },
{ X86::VPMOVSXBDYrr, X86::VPMOVSXBDYrm, 0 },

1
test/CodeGen/X86/pr30693.ll
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@ -1,5 +1,4 @@
; PR30693
; XFAIL: *
; RUN: llc < %s | FileCheck %s
; CHECK: .p2align 2