ARM64: disable printing of "lslv" type aliases

You can write "lslv w0, w1, w2" (probably for legacy reasons), but it should be
printed as simply "lsl".

This will be tested when the TableGen "should I print this Alias" heuristic is
fixed (very soon).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208956 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM64/ARM64InstrFormats.td b/lib/Target/ARM64/ARM64InstrFormats.td
index 875f0aebde30a1d0dd8c3243da965087c359b22e..8133a0084f77a4a5149a2ec49617e5bca86fb176 100644 (file)
--- a/lib/Target/ARM64/ARM64InstrFormats.td
+++ b/lib/Target/ARM64/ARM64InstrFormats.td
@@ -1255,7 +1255,7 @@ multiclass Shift<bits<2> shift_type, string asm, SDNode OpNode> {
 
 class ShiftAlias<string asm, Instruction inst, RegisterClass regtype>
     : InstAlias<asm#" $dst, $src1, $src2",
-                (inst regtype:$dst, regtype:$src1, regtype:$src2)>;
+                (inst regtype:$dst, regtype:$src1, regtype:$src2), 0>;
 
 class BaseMulAccum<bit isSub, bits<3> opc, RegisterClass multype,
                        RegisterClass addtype, string asm,