Use lower16 / upper16 imm modifiers to asmprint 32-bit imms splitted via movt/movw...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83572 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index bdaae222203b1056df4df7ce215b97f54f2bd065..1679e12be0efafce326ab8b26135fa77e5130616 100644 (file)
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -329,13 +329,14 @@ void ARMAsmPrinter::printOperand(const MachineInstr *MI, int OpNum,
   }
   case MachineOperand::MO_Immediate: {
     int64_t Imm = MO.getImm();
+    O << '#';
     if (Modifier) {
       if (strcmp(Modifier, "lo16") == 0)
-        Imm = Imm & 0xffffLL;
+        O << ":lower16:";
       else if (strcmp(Modifier, "hi16") == 0)
-        Imm = (Imm & 0xffff0000LL) >> 16;
+        O << ":upper16:";
     }
-    O << '#' << Imm;
+    O << Imm;
     break;
   }
   case MachineOperand::MO_MachineBasicBlock:

diff --git a/test/CodeGen/ARM/t2-imm.ll b/test/CodeGen/ARM/t2-imm.ll
index 8b619bfef3eb5fc8f9a89989088ad8fd381163ee..848a4dfed0542db3a35454b6ba0797fedf634f0d 100644 (file)
--- a/test/CodeGen/ARM/t2-imm.ll
+++ b/test/CodeGen/ARM/t2-imm.ll
@@ -2,8 +2,8 @@
 
 define i32 @f6(i32 %a) {
 ; CHECK:f6
-; CHECK: movw r0, #1123
-; CHECK: movt r0, #1000
+; CHECK: movw r0, #:lower16:65537123
+; CHECK: movt r0, #:upper16:65537123
     %tmp = add i32 0, 65537123
     ret i32 %tmp
 }