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[ms-inline asm] Properly emit the asm directives when the AsmPrinterVariant

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and InlineAsmVariant don't match.

llvm-svn: 163550
This commit is contained in:
Chad Rosier 2012-09-10 21:36:05 +00:00
parent 8311e77359
commit 1b83624c78
2 changed files with 19 additions and 3 deletions
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18
lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
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@ -200,7 +200,15 @@ void AsmPrinter::EmitInlineAsm(const MachineInstr *MI) const {
// The variant of the current asmprinter.
int AsmPrinterVariant = MAI->getAssemblerDialect();
int InlineAsmVariant = MI->getInlineAsmDialect();
// Switch to the inline assembly variant.
if (AsmPrinterVariant != InlineAsmVariant) {
if (InlineAsmVariant == 0)
OS << ".att_syntax\n\t";
else
OS << ".intel_syntax\n\t";
}
int CurVariant = -1; // The number of the {.|.|.} region we are in.
const char *LastEmitted = AsmStr; // One past the last character emitted.
@ -365,6 +373,14 @@ void AsmPrinter::EmitInlineAsm(const MachineInstr *MI) const {
}
}
}
// Switch to the AsmPrinter variant.
if (AsmPrinterVariant != InlineAsmVariant) {
if (AsmPrinterVariant == 0)
OS << "\n\t.att_syntax";
else
OS << "\n\t.intel_syntax";
}
OS << '\n' << (char)0; // null terminate string.
EmitInlineAsm(OS.str(), LocMD, MI->getInlineAsmDialect());

4
test/CodeGen/X86/ms-inline-asm.ll
View File

@ -6,9 +6,9 @@ entry:
ret i32 %0
; CHECK: t1
; CHECK: ## InlineAsm Start
; FIXME: .intel_syntax
; CHECK: .intel_syntax
; CHECK: mov eax, ecx
; CHECK: mov ecx, eax
; FIXME: .att_syntax
; CHECK: .att_syntax
; CHECK: ## InlineAsm End
}