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For inline asm:

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- recognize string "{memory}" in the MI generation
- mark as mayload/maystore when there's a memory clobber constraint.

PR14859.

Patch by Krzysztof Parzyszek

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172228 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2013-01-11 18:12:39 +00:00
parent eed4e0193f
commit fffe363493
4 changed files with 39 additions and 4 deletions
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6
lib/CodeGen/MachineInstr.cpp
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@ -1476,10 +1476,14 @@ void MachineInstr::print(raw_ostream &OS, const TargetMachine *TM) const {
OS << " ";
getOperand(InlineAsm::MIOp_AsmString).print(OS, TM);
// Print HasSideEffects, IsAlignStack
// Print HasSideEffects, MayLoad, MayStore, IsAlignStack
unsigned ExtraInfo = getOperand(InlineAsm::MIOp_ExtraInfo).getImm();
if (ExtraInfo & InlineAsm::Extra_HasSideEffects)
OS << " [sideeffect]";
if (ExtraInfo & InlineAsm::Extra_MayLoad)
OS << " [mayload]";
if (ExtraInfo & InlineAsm::Extra_MayStore)
OS << " [maystore]";
if (ExtraInfo & InlineAsm::Extra_IsAlignStack)
OS << " [alignstack]";
if (getInlineAsmDialect() == InlineAsm::AD_ATT)