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[ms-inline asm] Pass the correct AsmVariant to the PrintAsmOperand() function 

and update the printOperand() function accordingly.

llvm-svn: 163544
This commit is contained in:
Chad Rosier 2012-09-10 21:10:49 +00:00
parent 6b152ff550
commit db20a41d99
4 changed files with 24 additions and 7 deletions
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7
llvm/lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
View File

@ -199,7 +199,8 @@ void AsmPrinter::EmitInlineAsm(const MachineInstr *MI) const {
// The variant of the current asmprinter.
int AsmPrinterVariant = MAI->getAssemblerDialect();
int InlineAsmVariant = MI->getInlineAsmDialect();
int CurVariant = -1; // The number of the {.|.|.} region we are in.
const char *LastEmitted = AsmStr; // One past the last character emitted.
@ -344,11 +345,11 @@ void AsmPrinter::EmitInlineAsm(const MachineInstr *MI) const {
else {
AsmPrinter *AP = const_cast<AsmPrinter*>(this);
if (InlineAsm::isMemKind(OpFlags)) {
Error = AP->PrintAsmMemoryOperand(MI, OpNo, AsmPrinterVariant,
Error = AP->PrintAsmMemoryOperand(MI, OpNo, InlineAsmVariant,
Modifier[0] ? Modifier : 0,
OS);
} else {
Error = AP->PrintAsmOperand(MI, OpNo, AsmPrinterVariant,
Error = AP->PrintAsmOperand(MI, OpNo, InlineAsmVariant,
Modifier[0] ? Modifier : 0, OS);
}
}

8
llvm/lib/Target/X86/X86AsmPrinter.cpp
View File

@ -233,12 +233,14 @@ void X86AsmPrinter::print_pcrel_imm(const MachineInstr *MI, unsigned OpNo,
void X86AsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
raw_ostream &O, const char *Modifier) {
raw_ostream &O, const char *Modifier,
unsigned AsmVariant) {
const MachineOperand &MO = MI->getOperand(OpNo);
switch (MO.getType()) {
default: llvm_unreachable("unknown operand type!");
case MachineOperand::MO_Register: {
O << '%';
// FIXME: Enumerating AsmVariant, so we can remove magic number.
if (AsmVariant == 0) O << '%';
unsigned Reg = MO.getReg();
if (Modifier && strncmp(Modifier, "subreg", strlen("subreg")) == 0) {
EVT VT = (strcmp(Modifier+6,"64") == 0) ?
@ -471,7 +473,7 @@ bool X86AsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
}
}
printOperand(MI, OpNo, O);
printOperand(MI, OpNo, O, /*Modifier*/ 0, AsmVariant);
return false;
}

2
llvm/lib/Target/X86/X86AsmPrinter.h
View File

@ -50,7 +50,7 @@ class LLVM_LIBRARY_VISIBILITY X86AsmPrinter : public AsmPrinter {
// These methods are used by the tablegen'erated instruction printer.
void printOperand(const MachineInstr *MI, unsigned OpNo, raw_ostream &O,
const char *Modifier = 0);
const char *Modifier = 0, unsigned AsmVariant = 0);
void print_pcrel_imm(const MachineInstr *MI, unsigned OpNo, raw_ostream &O);
bool printAsmMRegister(const MachineOperand &MO, char Mode, raw_ostream &O);

14
llvm/test/CodeGen/X86/ms-inline-asm.ll Normal file
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@ -0,0 +1,14 @@
; RUN: llc < %s -march=x86 | FileCheck %s
define i32 @t1() nounwind {
entry:
%0 = tail call i32 asm sideeffect inteldialect "mov eax, $1\0Amov $0, eax", "=r,r,~{eax},~{dirflag},~{fpsr},~{flags}"(i32 1) nounwind
ret i32 %0
; CHECK: _t1
; CHECK: ## InlineAsm Start
; FIXME: .intel_syntax
; CHECK: mov eax, ecx
; CHECK: mov ecx, eax
; FIXME: .att_syntax
; CHECK: ## InlineAsm End
}