Handle 'a' modifier in ARM inline assembly.
Patch by Richard Pennington. llvm-svn: 68464
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@ -739,7 +739,10 @@ bool ARMAsmPrinter::PrintAsmOperand(const MachineInstr *MI, unsigned OpNo,
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switch (ExtraCode[0]) {
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switch (ExtraCode[0]) {
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default: return true; // Unknown modifier.
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default: return true; // Unknown modifier.
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case 'a': // Don't print "#" before a global var name or constant.
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case 'c': // Don't print "$" before a global var name or constant.
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case 'c': // Don't print "$" before a global var name or constant.
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printOperand(MI, OpNo, "no_hash");
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return false;
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case 'P': // Print a VFP double precision register.
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case 'P': // Print a VFP double precision register.
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printOperand(MI, OpNo);
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printOperand(MI, OpNo);
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return false;
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return false;
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@ -0,0 +1,19 @@
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; RUN: llvm-as < %s | llc -march=arm | grep {swi 107}
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define i32 @_swilseek(i32) nounwind {
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entry:
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%ptr = alloca i32 ; <i32*> [#uses=2]
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store i32 %0, i32* %ptr
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%retval = alloca i32 ; <i32*> [#uses=2]
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store i32 0, i32* %retval
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%res = alloca i32 ; <i32*> [#uses=0]
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%fh = alloca i32 ; <i32*> [#uses=1]
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%1 = load i32* %fh ; <i32> [#uses=1]
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%2 = load i32* %ptr ; <i32> [#uses=1]
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%3 = call i32* asm "mov r0, $2; mov r1, $3; swi ${1:a}; mov $0, r0", "=r,i,r,r,~{r0},~{r1}"(i32 107, i32 %1, i32 %2) nounwind ; <i32*> [#uses=0]
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br label %return
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return: ; preds = %entry
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%4 = load i32* %retval ; <i32> [#uses=1]
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ret i32 %4
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}
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