Assigning an APInt to 0 with plain assignment gives it a one-bit

size. Initialize these APInts to properly-sized zero values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47099 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index 556aaac9eaec51d193d5dfee26e76d2841ff2880..7bfb30278811a2e78a01d10b00145ddbdc72c8d2 100644 (file)
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -5653,7 +5653,7 @@ void X86TargetLowering::computeMaskedBitsForTargetNode(const SDOperand Op,
          "Should use MaskedValueIsZero if you don't know whether Op"
          " is a target node!");
 
-  KnownZero = KnownOne = 0;   // Don't know anything.
+  KnownZero = KnownOne = APInt(Mask.getBitWidth(), 0);   // Don't know anything.
   switch (Opc) {
   default: break;
   case X86ISD::SETCC: