X86 shifts mask the amount.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19678 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86ISelPattern.cpp b/lib/Target/X86/X86ISelPattern.cpp
index f6065b1..1228d70 100644
--- a/lib/Target/X86/X86ISelPattern.cpp
+++ b/lib/Target/X86/X86ISelPattern.cpp
@@ -43,6 +43,7 @@
// X86 is wierd, it always uses i8 for shift amounts and setcc results.
setShiftAmountType(MVT::i8);
setSetCCResultType(MVT::i8);
+ setShiftAmountFlavor(Mask); // shl X, 32 == shl X, 0
// Set up the register classes.
addRegisterClass(MVT::i8, X86::R8RegisterClass);