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[ms-inline asm] We only need one bit to represent the AsmDialect in the

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MachineInstr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163257 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier 2012-09-05 22:17:43 +00:00
parent 2943e37804
commit 77fffa6fdd
3 changed files with 6 additions and 13 deletions
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3
include/llvm/InlineAsm.h
View File

@ -214,8 +214,7 @@ public:
// Interpretation of the MIOp_ExtraInfo bit field.
Extra_HasSideEffects = 1,
Extra_IsAlignStack = 2,
Extra_ATTDialect = 3, // AT&T AsmDialect.
Extra_IntelDialect = 4, // Intel AsmDialect.
Extra_AsmDialect = 3,
// Inline asm operands map to multiple SDNode / MachineInstr operands.
// The first operand is an immediate describing the asm operand, the low

10
lib/CodeGen/MachineInstr.cpp
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@ -970,11 +970,7 @@ bool MachineInstr::isStackAligningInlineAsm() const {
InlineAsm::AsmDialect MachineInstr::getInlineAsmDialect() const {
assert(isInlineAsm() && "getInlineAsmDialect() only works for inline asms!");
unsigned ExtraInfo = getOperand(InlineAsm::MIOp_ExtraInfo).getImm();
if (ExtraInfo & InlineAsm::Extra_IntelDialect)
return InlineAsm::AD_Intel;
assert((ExtraInfo & InlineAsm::Extra_ATTDialect) && "Expected AT&T dialect!");
return InlineAsm::AD_ATT; // The default.
return InlineAsm::AsmDialect((ExtraInfo >> 2) & 1);
}
int MachineInstr::findInlineAsmFlagIdx(unsigned OpIdx,
@ -1579,9 +1575,9 @@ void MachineInstr::print(raw_ostream &OS, const TargetMachine *TM) const {
OS << " [sideeffect]";
if (ExtraInfo & InlineAsm::Extra_IsAlignStack)
OS << " [alignstack]";
if (ExtraInfo & InlineAsm::Extra_ATTDialect)
if (getInlineAsmDialect() == InlineAsm::AD_ATT)
OS << " [attdialect]";
if (ExtraInfo & InlineAsm::Extra_IntelDialect)
if (getInlineAsmDialect() == InlineAsm::AD_Intel)
OS << " [inteldialect]";
StartOp = AsmDescOp = InlineAsm::MIOp_FirstOperand;

6
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
View File

@ -6084,10 +6084,8 @@ void SelectionDAGBuilder::visitInlineAsm(ImmutableCallSite CS) {
ExtraInfo |= InlineAsm::Extra_HasSideEffects;
if (IA->isAlignStack())
ExtraInfo |= InlineAsm::Extra_IsAlignStack;
if (IA->getDialect() == InlineAsm::Extra_ATTDialect)
ExtraInfo |= InlineAsm::Extra_ATTDialect;
if (IA->getDialect() == InlineAsm::Extra_IntelDialect)
ExtraInfo |= InlineAsm::Extra_IntelDialect;
// Set the asm dialect.
ExtraInfo |= IA->getDialect() << 2;
AsmNodeOperands.push_back(DAG.getTargetConstant(ExtraInfo,
TLI.getPointerTy()));