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[ms-inline asm] Propagate the asm dialect into the MachineInstr representation.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163243 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier 2012-09-05 21:00:58 +00:00
parent a759eb3bb9
commit 576cd11ab8
4 changed files with 25 additions and 3 deletions
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2
include/llvm/CodeGen/MachineInstr.h
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@ -25,6 +25,7 @@
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/DenseMapInfo.h"
#include "llvm/InlineAsm.h"
#include "llvm/Support/DebugLoc.h"
#include <vector>
@ -610,6 +611,7 @@ public:
bool isImplicitDef() const { return getOpcode()==TargetOpcode::IMPLICIT_DEF; }
bool isInlineAsm() const { return getOpcode() == TargetOpcode::INLINEASM; }
bool isStackAligningInlineAsm() const;
InlineAsm::AsmDialect getInlineAsmDialect() const;
bool isInsertSubreg() const {
return getOpcode() == TargetOpcode::INSERT_SUBREG;
}

6
include/llvm/InlineAsm.h
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@ -203,17 +203,19 @@ public:
Op_InputChain = 0,
Op_AsmString = 1,
Op_MDNode = 2,
Op_ExtraInfo = 3, // HasSideEffects, IsAlignStack
Op_ExtraInfo = 3, // HasSideEffects, IsAlignStack, AsmDialect.
Op_FirstOperand = 4,
// Fixed operands on an INLINEASM MachineInstr.
MIOp_AsmString = 0,
MIOp_ExtraInfo = 1, // HasSideEffects, IsAlignStack
MIOp_ExtraInfo = 1, // HasSideEffects, IsAlignStack, AsmDialect.
MIOp_FirstOperand = 2,
// Interpretation of the MIOp_ExtraInfo bit field.
Extra_HasSideEffects = 1,
Extra_IsAlignStack = 2,
Extra_ATTDialect = 3, // AT&T AsmDialect.
Extra_IntelDialect = 4, // Intel AsmDialect.
// Inline asm operands map to multiple SDNode / MachineInstr operands.
// The first operand is an immediate describing the asm operand, the low

14
lib/CodeGen/MachineInstr.cpp
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@ -967,6 +967,16 @@ bool MachineInstr::isStackAligningInlineAsm() const {
return false;
}
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.
}
int MachineInstr::findInlineAsmFlagIdx(unsigned OpIdx,
unsigned *GroupNo) const {
assert(isInlineAsm() && "Expected an inline asm instruction");
@ -1569,6 +1579,10 @@ void MachineInstr::print(raw_ostream &OS, const TargetMachine *TM) const {
OS << " [sideeffect]";
if (ExtraInfo & InlineAsm::Extra_IsAlignStack)
OS << " [alignstack]";
if (ExtraInfo & InlineAsm::Extra_ATTDialect)
OS << " [attdialect]";
if (ExtraInfo & InlineAsm::Extra_IntelDialect)
OS << " [inteldialect]";
StartOp = AsmDescOp = InlineAsm::MIOp_FirstOperand;
FirstOp = false;

6
lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
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@ -6078,12 +6078,16 @@ void SelectionDAGBuilder::visitInlineAsm(ImmutableCallSite CS) {
const MDNode *SrcLoc = CS.getInstruction()->getMetadata("srcloc");
AsmNodeOperands.push_back(DAG.getMDNode(SrcLoc));
// Remember the HasSideEffect and AlignStack bits as operand 3.
// Remember the HasSideEffect, AlignStack and AsmDialect bits as operand 3.
unsigned ExtraInfo = 0;
if (IA->hasSideEffects())
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;
AsmNodeOperands.push_back(DAG.getTargetConstant(ExtraInfo,
TLI.getPointerTy()));