[llvm-commits] [llvm] r75201 - in /llvm/trunk: lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp test/CodeGen/ARM/2009-07-09-asm-p-constraint.ll

[Bob Wilson]

Author: bwilson
Date: Thu Jul  9 18:54:51 2009
New Revision: 75201

URL: http://llvm.org/viewvc/llvm-project?rev=75201&view=rev
Log:
Handle 'a' modifier on inline assembly operands.
This is part of the fix for pr4521.

Added:
    llvm/trunk/test/CodeGen/ARM/2009-07-09-asm-p-constraint.ll
Modified:
    llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp

Modified: llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp?rev=75201&r1=75200&r2=75201&view=diff

==============================================================================
--- llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp Thu Jul  9 18:54:51 2009
@@ -907,8 +907,13 @@
     
     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.

Added: llvm/trunk/test/CodeGen/ARM/2009-07-09-asm-p-constraint.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/2009-07-09-asm-p-constraint.ll?rev=75201&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/ARM/2009-07-09-asm-p-constraint.ll (added)
+++ llvm/trunk/test/CodeGen/ARM/2009-07-09-asm-p-constraint.ll Thu Jul  9 18:54:51 2009
@@ -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
+}