Recreate the size SDNode instead of reusing the old one in the x86
memcpy lowering code; this ensures that the size node has the desired
result type. This fixes a regression from r49572 with @llvm.memcpy.i64
on x86-32.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49761 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 38e6342..d8eaee7 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -4731,7 +4731,7 @@
default: // Byte aligned
AVT = MVT::i8;
ValReg = X86::AL;
- Count = Size;
+ Count = DAG.getIntPtrConstant(SizeVal);
break;
}
@@ -4746,7 +4746,7 @@
InFlag = Chain.getValue(1);
} else {
AVT = MVT::i8;
- Count = Size;
+ Count = DAG.getIntPtrConstant(SizeVal);
Chain = DAG.getCopyToReg(Chain, X86::AL, Src, InFlag);
InFlag = Chain.getValue(1);
}