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Fix PR 4751, another difficulty with %a modifier on x86. 

llvm-svn: 79961
This commit is contained in:
Dale Johannesen 2009-08-25 00:16:14 +00:00
parent 65f4950f13
commit f8d37c6b81
2 changed files with 24 additions and 0 deletions
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4
llvm/lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
View File

@ -625,6 +625,10 @@ bool X86ATTAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
O << MO.getImm();
return false;
}
if (MO.isGlobal() || MO.isCPI() || MO.isJTI() || MO.isSymbol()) {
printSymbolOperand(MO);
return false;
}
if (MO.isReg()) {
O << '(';
printOperand(MI, OpNo);

20
llvm/test/CodeGen/X86/asm-modifier.ll
View File

@ -19,3 +19,23 @@ entry:
%asmtmp = tail call i16 asm "movw\09%gs:${1:a}, ${0:w}", "=r,ir,~{dirflag},~{fpsr},~{flags}"(i32 %address) nounwind ; <i16> [#uses=1]
ret i16 %asmtmp
}
@n = global i32 42 ; <i32*> [#uses=3]
@y = common global i32 0 ; <i32*> [#uses=3]
define void @test3() nounwind {
entry:
; CHECK: test3:
; CHECK: movl _n, %eax
call void asm sideeffect "movl ${0:a}, %eax", "ir,~{dirflag},~{fpsr},~{flags},~{eax}"(i32* @n) nounwind
ret void
}
define void @test4() nounwind {
entry:
; CHECK: test4:
; CHECK: movl L_y$non_lazy_ptr, %ecx
; CHECK: movl (%ecx), %eax
call void asm sideeffect "movl ${0:a}, %eax", "ir,~{dirflag},~{fpsr},~{flags},~{eax}"(i32* @y) nounwind
ret void
}