Generate more efficient code for casting booleans to integers (no sign extension...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13439 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/InstSelectSimple.cpp b/lib/Target/X86/InstSelectSimple.cpp
index eb41077dc535831644bf505c33756d766bb6c5cb..62002e7dc748154042f12942b90d488f365d748b 100644 (file)
--- a/lib/Target/X86/InstSelectSimple.cpp
+++ b/lib/Target/X86/InstSelectSimple.cpp
@@ -3051,7 +3051,7 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
       { X86::MOVZX16rr8, X86::MOVZX32rr8, X86::MOVZX32rr16, X86::MOV32rr }  // u
     };
     
-    bool isUnsigned = SrcTy->isUnsigned();
+    bool isUnsigned = SrcTy->isUnsigned() || SrcTy == Type::BoolTy;
     BuildMI(*BB, IP, Opc[isUnsigned][SrcClass + DestClass - 1], 1,
         DestReg).addReg(SrcReg);
 

diff --git a/lib/Target/X86/X86ISelSimple.cpp b/lib/Target/X86/X86ISelSimple.cpp
index eb41077dc535831644bf505c33756d766bb6c5cb..62002e7dc748154042f12942b90d488f365d748b 100644 (file)
--- a/lib/Target/X86/X86ISelSimple.cpp
+++ b/lib/Target/X86/X86ISelSimple.cpp
@@ -3051,7 +3051,7 @@ void ISel::emitCastOperation(MachineBasicBlock *BB,
       { X86::MOVZX16rr8, X86::MOVZX32rr8, X86::MOVZX32rr16, X86::MOV32rr }  // u
     };
     
-    bool isUnsigned = SrcTy->isUnsigned();
+    bool isUnsigned = SrcTy->isUnsigned() || SrcTy == Type::BoolTy;
     BuildMI(*BB, IP, Opc[isUnsigned][SrcClass + DestClass - 1], 1,
         DestReg).addReg(SrcReg);