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Handle 'a' modifier on inline assembly operands.

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This is part of the fix for pr4521.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75201 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bob Wilson 2009-07-09 23:54:51 +00:00
parent 333c400965
commit 9b4b00ad43
2 changed files with 14 additions and 2 deletions
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9
lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
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@ -907,8 +907,13 @@ bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNum,
switch (ExtraCode[0]) {
default: return true; // Unknown modifier.
case 'a': // Don't print "#" before a global var name or constant.
case 'c': // Don't print "$" before a global var name or constant.
case 'a': // Print as a memory address.
if (MI->getOperand(OpNum).isReg()) {
O << "[" << TRI->getAsmName(MI->getOperand(OpNum).getReg()) << "]";
return false;
}
// Fallthrough
case 'c': // Don't print "#" before an immediate operand.
printOperand(MI, OpNum, "no_hash");
return false;
case 'P': // Print a VFP double precision register.

7
test/CodeGen/ARM/2009-07-09-asm-p-constraint.ll Normal file
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@ -0,0 +1,7 @@
; RUN: llvm-as < %s | llc -march=arm -mattr=+v6
define void @test(i8* %x) nounwind {
entry:
call void asm sideeffect "pld\09${0:a}", "r,~{cc}"(i8* %x) nounwind
ret void
}