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

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and InlineAsmVariant don't match.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163550 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chad Rosier
2012-09-10 21:36:05 +00:00
parent 5c3dcb7bc0
commit 24f5fddbdf
2 changed files with 19 additions and 3 deletions
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18
lib/CodeGen/AsmPrinter/AsmPrinterInlineAsm.cpp
View File

@@ -200,7 +200,15 @@ void AsmPrinter::EmitInlineAsm(const MachineInstr *MI) const {
// The variant of the current asmprinter. // The variant of the current asmprinter.
int AsmPrinterVariant = MAI->getAssemblerDialect(); int AsmPrinterVariant = MAI->getAssemblerDialect();
int InlineAsmVariant = MI->getInlineAsmDialect(); 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. int CurVariant = -1; // The number of the {.|.|.} region we are in.
const char *LastEmitted = AsmStr; // One past the last character emitted. 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. OS << '\n' << (char)0; // null terminate string.
EmitInlineAsm(OS.str(), LocMD, MI->getInlineAsmDialect()); EmitInlineAsm(OS.str(), LocMD, MI->getInlineAsmDialect());

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

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