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| author | Eric Christopher <echristo@gmail.com> | 2013-01-11 18:12:39 +0000 |
|---|---|---|
| committer | Eric Christopher <echristo@gmail.com> | 2013-01-11 18:12:39 +0000 |
| commit | fffe3634933471ee9805412ffa221080c9e9e8fd (patch) | |
| tree | 3ad88d0a28a10a411190890b6794fb8c67d93412 /lib/CodeGen/MachineInstr.cpp | |
| parent | eed4e0193ff04ba27bfb6d0d4201505f03d99a7c (diff) | |
| download | llvm-fffe3634933471ee9805412ffa221080c9e9e8fd.tar.gz llvm-fffe3634933471ee9805412ffa221080c9e9e8fd.tar.bz2 llvm-fffe3634933471ee9805412ffa221080c9e9e8fd.tar.xz | |
For inline asm:
- 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
Diffstat (limited to 'lib/CodeGen/MachineInstr.cpp')
| -rw-r--r-- | lib/CodeGen/MachineInstr.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp index df82a17a2b..8f7c5fd022 100644 --- a/lib/CodeGen/MachineInstr.cpp +++ b/lib/CodeGen/MachineInstr.cpp @@ -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) |