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| author | Bob Wilson <bob.wilson@apple.com> | 2009-07-09 23:54:51 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2009-07-09 23:54:51 +0000 |
| commit | 9b4b00ad436daeac6f97f77e9b5a3cc67ada150c (patch) | |
| tree | 3275661f097d63c48541bc698b9e8efda0725c92 | |
| parent | 333c40096561218bc3597cf153c0a3895274414c (diff) | |
Handle 'a' modifier on inline assembly operands.
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
| -rw-r--r-- | lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp | 9 | ||||
| -rw-r--r-- | test/CodeGen/ARM/2009-07-09-asm-p-constraint.ll | 7 |
2 files changed, 14 insertions, 2 deletions
diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp index 5559a5ef8d..834ce6f618 100644 --- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp +++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp @@ -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 "$" before a global var name or constant. + case 'a': // Print as a memory address. + if (MI->getOperand(OpNum).isReg()) { + O << "[" << TRI->getAsmName(MI->getOperand(OpNum).getReg()) << "]"; + return false; + } + // Fallthrough + case 'c': // Don't print "#" before an immediate operand. printOperand(MI, OpNum, "no_hash"); return false; case 'P': // Print a VFP double precision register. diff --git a/test/CodeGen/ARM/2009-07-09-asm-p-constraint.ll b/test/CodeGen/ARM/2009-07-09-asm-p-constraint.ll new file mode 100644 index 0000000000..ea502cd300 --- /dev/null +++ b/test/CodeGen/ARM/2009-07-09-asm-p-constraint.ll @@ -0,0 +1,7 @@ +; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 + +define void @test(i8* %x) nounwind { +entry: + call void asm sideeffect "pld\09${0:a}", "r,~{cc}"(i8* %x) nounwind + ret void +} |