commit e797e0c8644a649d162fb339b148f5db10447d4e
author Jakob Stoklund Olesen <stoklund@2pi.dk> Sun Jul 11 03:31:05 2010 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Sun Jul 11 03:31:05 2010 +0000
tree ee4cfe6de9b2ffcd7fb72a44f33f2a608855ba08
parent 5127f7991373d1c69e4d3241ec11913f4f44bb21

Use COPY for extracting ImplicitDef'ed values from fast-isel instructions.

This assumes that the registers can be copied which is probably a safe
assumption.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108070 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/SelectionDAG/FastISel.cpp

diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp
index 5be457c..63413d7 100644
--- a/lib/CodeGen/SelectionDAG/FastISel.cpp
+++ b/lib/CodeGen/SelectionDAG/FastISel.cpp
@@ -1077,11 +1077,8 @@
   else {
     BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II)
       .addReg(Op0, Op0IsKill * RegState::Kill);
-    bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt,
-                                         ResultReg, II.ImplicitDefs[0],
-                                         RC, RC, DL);
-    if (!InsertedCopy)
-      ResultReg = 0;
+    BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY),
+            ResultReg).addReg(II.ImplicitDefs[0]);
   }
 
   return ResultReg;
@@ -1102,11 +1099,8 @@
     BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II)
       .addReg(Op0, Op0IsKill * RegState::Kill)
       .addReg(Op1, Op1IsKill * RegState::Kill);
-    bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt,
-                                         ResultReg, II.ImplicitDefs[0],
-                                         RC, RC, DL);
-    if (!InsertedCopy)
-      ResultReg = 0;
+    BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY),
+            ResultReg).addReg(II.ImplicitDefs[0]);
   }
   return ResultReg;
 }
@@ -1126,11 +1120,8 @@
     BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II)
       .addReg(Op0, Op0IsKill * RegState::Kill)
       .addImm(Imm);
-    bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt,
-                                         ResultReg, II.ImplicitDefs[0],
-                                         RC, RC, DL);
-    if (!InsertedCopy)
-      ResultReg = 0;
+    BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY),
+            ResultReg).addReg(II.ImplicitDefs[0]);
   }
   return ResultReg;
 }
@@ -1150,11 +1141,8 @@
     BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II)
       .addReg(Op0, Op0IsKill * RegState::Kill)
       .addFPImm(FPImm);
-    bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt,
-                                         ResultReg, II.ImplicitDefs[0],
-                                         RC, RC, DL);
-    if (!InsertedCopy)
-      ResultReg = 0;
+    BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY),
+            ResultReg).addReg(II.ImplicitDefs[0]);
   }
   return ResultReg;
 }
@@ -1177,11 +1165,8 @@
       .addReg(Op0, Op0IsKill * RegState::Kill)
       .addReg(Op1, Op1IsKill * RegState::Kill)
       .addImm(Imm);
-    bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt,
-                                         ResultReg, II.ImplicitDefs[0],
-                                         RC, RC, DL);
-    if (!InsertedCopy)
-      ResultReg = 0;
+    BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY),
+            ResultReg).addReg(II.ImplicitDefs[0]);
   }
   return ResultReg;
 }
@@ -1196,11 +1181,8 @@
     BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II, ResultReg).addImm(Imm);
   else {
     BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, II).addImm(Imm);
-    bool InsertedCopy = TII.copyRegToReg(*FuncInfo.MBB, FuncInfo.InsertPt,
-                                         ResultReg, II.ImplicitDefs[0],
-                                         RC, RC, DL);
-    if (!InsertedCopy)
-      ResultReg = 0;
+    BuildMI(*FuncInfo.MBB, FuncInfo.InsertPt, DL, TII.get(TargetOpcode::COPY),
+            ResultReg).addReg(II.ImplicitDefs[0]);
   }
   return ResultReg;
 }