[llvm] r183913 - ARM: fix t2am_imm8_offset operand printing for imm=#-0

[Amaury de la Vieuville]

Author: amaury.dlv
Date: Thu Jun 13 11:40:51 2013
New Revision: 183913

URL: http://llvm.org/viewvc/llvm-project?rev=183913&view=rev
Log:
ARM: fix t2am_imm8_offset operand printing for imm=#-0

Modified:
    llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
    llvm/trunk/test/MC/ARM/basic-thumb2-instructions.s

Modified: llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp?rev=183913&r1=183912&r2=183913&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp (original)
+++ llvm/trunk/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp Thu Jun 13 11:40:51 2013
@@ -1148,7 +1148,9 @@ void ARMInstPrinter::printT2AddrModeImm8
   const MCOperand &MO1 = MI->getOperand(OpNum);
   int32_t OffImm = (int32_t)MO1.getImm();
   O << ", " << markup("<imm:");
-  if (OffImm < 0)
+  if (OffImm == INT32_MIN)
+    O << "#-0";
+  else if (OffImm < 0)
     O << "#-" << -OffImm;
   else
     O << "#" << OffImm;

Modified: llvm/trunk/test/MC/ARM/basic-thumb2-instructions.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/ARM/basic-thumb2-instructions.s?rev=183913&r1=183912&r2=183913&view=diff
==============================================================================
--- llvm/trunk/test/MC/ARM/basic-thumb2-instructions.s (original)
+++ llvm/trunk/test/MC/ARM/basic-thumb2-instructions.s Thu Jun 13 11:40:51 2013
@@ -2616,6 +2616,7 @@ _func:
         strb r9, [r2], #4
         strb r3, [sp], #-4
         strb r4, [r8, #-0]!
+        strb r1, [r0], #-0
 
 @ CHECK: strb	r5, [r5, #-4]           @ encoding: [0x05,0xf8,0x04,0x5c]
 @ CHECK: strb.w	r5, [r6, #32]           @ encoding: [0x86,0xf8,0x20,0x50]
@@ -2629,6 +2630,7 @@ _func:
 @ CHECK: strb	r9, [r2], #4            @ encoding: [0x02,0xf8,0x04,0x9b]
 @ CHECK: strb	r3, [sp], #-4           @ encoding: [0x0d,0xf8,0x04,0x39]
 @ CHECK: strb	r4, [r8, #-0]!          @ encoding: [0x08,0xf8,0x00,0x4d]
+@ CHECK: strb	r1, [r0], #-0           @ encoding: [0x00,0xf8,0x00,0x19]
 
 
 @------------------------------------------------------------------------------