[llvm-commits] [llvm] r132023 - in /llvm/trunk: lib/Target/ARM/ARMAsmPrinter.cpp test/CodeGen/ARM/arm-modifier.ll

[Eric Christopher]

Author: echristo
Date: Tue May 24 18:15:43 2011
New Revision: 132023

URL: http://llvm.org/viewvc/llvm-project?rev=132023&view=rev
Log:
Implement the immediate part of the 'B' modifier.

Part of rdar://9119939

Modified:
    llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp
    llvm/trunk/test/CodeGen/ARM/arm-modifier.ll

Modified: llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp?rev=132023&r1=132022&r2=132023&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp Tue May 24 18:15:43 2011
@@ -417,6 +417,10 @@
       }
       // Fallthrough to unsupported.
     case 'B': // Bitwise inverse of integer or symbol without a preceding #.
+      if (!MI->getOperand(OpNum).isImm())
+        return true;
+      O << ~(MI->getOperand(OpNum).getImm());
+      return false;
     case 'L': // The low 16 bits of an immediate constant.
     case 'm': // The base register of a memory operand.
     case 'M': // A register range suitable for LDM/STM.

Modified: llvm/trunk/test/CodeGen/ARM/arm-modifier.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/ARM/arm-modifier.ll?rev=132023&r1=132022&r2=132023&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/ARM/arm-modifier.ll (original)
+++ llvm/trunk/test/CodeGen/ARM/arm-modifier.ll Tue May 24 18:15:43 2011
@@ -1,4 +1,4 @@
-; RUN: llc < %s -march=arm -mattr=+vfp2
+; RUN: llc < %s -march=arm -mattr=+vfp2 | FileCheck %s
 
 define i32 @foo(float %scale, float %scale2) nounwind ssp {
 entry:
@@ -13,3 +13,11 @@
 }
 
 !0 = metadata !{i32 56, i32 89, i32 128, i32 168}
+
+define void @f0() nounwind ssp {
+entry:
+; CHECK: f0
+; CHECK: .word -1
+call void asm sideeffect ".word ${0:B} \0A\09", "i"(i32 0) nounwind, !srcloc !0
+ret void
+}