Generate more efficient code for casting booleans to integers (no sign extension required)
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 eb41077..62002e7 100644
--- a/lib/Target/X86/InstSelectSimple.cpp
+++ b/lib/Target/X86/InstSelectSimple.cpp
@@ -3051,7 +3051,7 @@
{ 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);