Convert tBX_CALL / tBXr9_CALL to actual pseudoinstructions.
authorCameron Zwarich <zwarich@apple.com>
Wed, 25 May 2011 21:53:50 +0000 (21:53 +0000)
committerCameron Zwarich <zwarich@apple.com>
Wed, 25 May 2011 21:53:50 +0000 (21:53 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132086 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMAsmPrinter.cpp
lib/Target/ARM/ARMInstrThumb.td

index 41cedab96927b777512b22b46d6e8dddce26d1dd..ca1463083b45a576846461c91fd9d607783df6b5 100644 (file)
@@ -1222,6 +1222,26 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
     }
     return;
   }
+  case ARM::tBXr9_CALL:
+  case ARM::tBX_CALL: {
+    {
+      MCInst TmpInst;
+      TmpInst.setOpcode(ARM::tMOVr);
+      TmpInst.addOperand(MCOperand::CreateReg(ARM::LR));
+      TmpInst.addOperand(MCOperand::CreateReg(ARM::PC));
+      OutStreamer.EmitInstruction(TmpInst);
+    }
+    {
+      MCInst TmpInst;
+      TmpInst.setOpcode(ARM::tBX);
+      TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
+      // Add predicate operands.
+      TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
+      TmpInst.addOperand(MCOperand::CreateReg(0));
+      OutStreamer.EmitInstruction(TmpInst);
+    }
+    return;
+  }
   case ARM::BMOVPCRXr9_CALL:
   case ARM::BMOVPCRX_CALL: {
     {
index 37f4f0912f2b18e303f40ae17618bd2791ea6e44..a9ca7e5a37df7f1744559be9ee2dec45845d75e6 100644 (file)
@@ -463,11 +463,8 @@ let isCall = 1,
   }
 
   // ARMv4T
-  // FIXME: Should be a pseudo.
-  let isCodeGenOnly = 1 in
-  def tBX_CALL : TIx2<{?,?,?,?,?}, {?,?}, ?,
-                  (outs), (ins tGPR:$func, variable_ops), IIC_Br,
-                  "mov\tlr, pc\n\tbx\t$func",
+  def tBX_CALL : tPseudoInst<(outs), (ins tGPR:$func, variable_ops),
+                  Size4Bytes, IIC_Br,
                   [(ARMcall_nolink tGPR:$func)]>,
             Requires<[IsThumb, IsThumb1Only, IsNotDarwin]>;
 }
@@ -518,11 +515,8 @@ let isCall = 1,
   }
 
   // ARMv4T
-  let isCodeGenOnly = 1 in
-  // FIXME: Should be a pseudo.
-  def tBXr9_CALL : TIx2<{?,?,?,?,?}, {?,?}, ?,
-                   (outs), (ins tGPR:$func, variable_ops), IIC_Br,
-                   "mov\tlr, pc\n\tbx\t$func",
+  def tBXr9_CALL : tPseudoInst<(outs), (ins tGPR:$func, variable_ops),
+                   Size4Bytes, IIC_Br,
                    [(ARMcall_nolink tGPR:$func)]>,
               Requires<[IsThumb, IsThumb1Only, IsDarwin]>;
 }