Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS.

llvm-svn: 126518

1 files changed, 8 insertions, 6 deletions

diff --git a/llvm/lib/Target/X86/X86ISelLowering.h b/llvm/lib/Target/X86/X86ISelLowering.h
index df78137ccdb..6ec4a7de755 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.h
+++ b/llvm/lib/Target/X86/X86ISelLowering.h
@@ -159,16 +159,16 @@ namespace llvm {
 
       /// PSHUFB - Shuffle 16 8-bit values within a vector.
       PSHUFB,
-      
+
       /// PANDN - and with not'd value.
       PANDN,
-      
+
       /// PSIGNB/W/D - Copy integer sign.
-      PSIGNB, PSIGNW, PSIGND, 
-      
+      PSIGNB, PSIGNW, PSIGND,
+
       /// PBLENDVB - Variable blend
       PBLENDVB,
-      
+
       /// FMAX, FMIN - Floating point max and min.
       ///
       FMAX, FMIN,
@@ -212,7 +212,7 @@ namespace llvm {
       // ADD, SUB, SMUL, etc. - Arithmetic operations with FLAGS results.
       ADD, SUB, ADC, SBB, SMUL,
       INC, DEC, OR, XOR, AND,
-      
+
       UMUL, // LOW, HI, FLAGS = umul LHS, RHS
 
       // MUL_IMM - X86 specific multiply by immediate.
@@ -467,6 +467,8 @@ namespace llvm {
 
     virtual unsigned getJumpTableEncoding() const;
 
+    virtual MVT getShiftAmountTy(EVT LHSTy) const { return MVT::i8; }
+
     virtual const MCExpr *
     LowerCustomJumpTableEntry(const MachineJumpTableInfo *MJTI,
                               const MachineBasicBlock *MBB, unsigned uid,