[X86] Add test case to demonstrate that we don't allow masks wider than 6 bits in...

We allow wider than 5 bits in the 16 and 32 bit store forms. And we allow wider than 6 bits on the 64-bit regsiter form.:w

I'm assuming this was a mistake made back in r148024.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@308656 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/shift-and.ll b/test/CodeGen/X86/shift-and.ll
index 75e2d233ed1b2de92ec1a9ea320bcf669bcae260..bb8eaa3c1cb4475ee51cf64a7daf53b2c2eb7d53 100644 (file)
--- a/test/CodeGen/X86/shift-and.ll
+++ b/test/CodeGen/X86/shift-and.ll
@@ -96,6 +96,21 @@ define i64 @t5(i64 %t, i64 %val) nounwind {
        ret i64 %res
 }
 
+define void @t5ptr(i64 %t, i64* %ptr) nounwind {
+; X64-LABEL: t5ptr:
+; X64:       ## BB#0:
+; X64-NEXT:    andb $-65, %dil
+; X64-NEXT:    movl %edi, %ecx
+; X64-NEXT:    shrq %cl, (%rsi)
+; X64-NEXT:    retq
+; X64-NEXT:    ## -- End function
+       %shamt = and i64 %t, 191
+       %tmp = load i64, i64* %ptr
+       %tmp1 = lshr i64 %tmp, %shamt
+       store i64 %tmp1, i64* %ptr
+       ret void
+}
+
 
 ; rdar://11866926
 define i64 @t6(i64 %key, i64* nocapture %val) nounwind {