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Add support for assembler directives that wrap inline asm

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26065 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2006-02-08 23:41:56 +00:00
parent 6f4a072e1f
commit d6c65ea924
2 changed files with 9 additions and 1 deletions
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5
include/llvm/CodeGen/AsmPrinter.h
View File

@@ -86,6 +86,11 @@ namespace llvm {
const char *FunctionAddrPrefix; // Defaults to "" const char *FunctionAddrPrefix; // Defaults to ""
const char *FunctionAddrSuffix; // Defaults to "" const char *FunctionAddrSuffix; // Defaults to ""
/// InlineAsmStart/End - If these are nonempty, they contain a directive to
/// emit before and after an inline assmebly statement.
const char *InlineAsmStart; // Defaults to "#APP\n"
const char *InlineAsmEnd; // Defaults to "#NO_APP\n"
//===--- Data Emission Directives -------------------------------------===// //===--- Data Emission Directives -------------------------------------===//
/// ZeroDirective - this should be set to the directive used to get some /// ZeroDirective - this should be set to the directive used to get some

5
lib/CodeGen/AsmPrinter.cpp
View File

@@ -32,6 +32,8 @@ AsmPrinter::AsmPrinter(std::ostream &o, TargetMachine &tm)
GlobalVarAddrSuffix(""), GlobalVarAddrSuffix(""),
FunctionAddrPrefix(""), FunctionAddrPrefix(""),
FunctionAddrSuffix(""), FunctionAddrSuffix(""),
InlineAsmStart("#APP\n"),
InlineAsmEnd("#NO_APP\n"),
ZeroDirective("\t.zero\t"), ZeroDirective("\t.zero\t"),
AsciiDirective("\t.ascii\t"), AsciiDirective("\t.ascii\t"),
AscizDirective("\t.asciz\t"), AscizDirective("\t.asciz\t"),
@@ -482,6 +484,7 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV) {
/// printInlineAsm - This method formats and prints the specified machine /// printInlineAsm - This method formats and prints the specified machine
/// instruction that is an inline asm. /// instruction that is an inline asm.
void AsmPrinter::printInlineAsm(const MachineInstr *MI) const { void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
O << InlineAsmStart;
unsigned NumOperands = MI->getNumOperands(); unsigned NumOperands = MI->getNumOperands();
// Count the number of register definitions. // Count the number of register definitions.
@@ -613,7 +616,7 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
break; break;
} }
} }
O << "\n"; O << "\n" << InlineAsmEnd;
} }
/// PrintAsmOperand - Print the specified operand of MI, an INLINEASM /// PrintAsmOperand - Print the specified operand of MI, an INLINEASM