[X86] Add knownbits vector ADD test
llvm-svn: 286511
diff --git a/llvm/test/CodeGen/X86/known-bits-vector.ll b/llvm/test/CodeGen/X86/known-bits-vector.ll
index d7f2738..c31dff3 100644
--- a/llvm/test/CodeGen/X86/known-bits-vector.ll
+++ b/llvm/test/CodeGen/X86/known-bits-vector.ll
@@ -204,6 +204,23 @@
ret <4 x i32> %4
}
+define <4 x i32> @knownbits_add_lshr(<4 x i32> %a0, <4 x i32> %a1) nounwind {
+; X32-LABEL: knownbits_add_lshr:
+; X32: # BB#0:
+; X32-NEXT: vxorps %xmm0, %xmm0, %xmm0
+; X32-NEXT: retl
+;
+; X64-LABEL: knownbits_add_lshr:
+; X64: # BB#0:
+; X64-NEXT: vxorps %xmm0, %xmm0, %xmm0
+; X64-NEXT: retq
+ %1 = and <4 x i32> %a0, <i32 32767, i32 32767, i32 32767, i32 32767>
+ %2 = and <4 x i32> %a1, <i32 32767, i32 32767, i32 32767, i32 32767>
+ %3 = add <4 x i32> %1, %2
+ %4 = lshr <4 x i32> %3, <i32 17, i32 17, i32 17, i32 17>
+ ret <4 x i32> %4
+}
+
define <4 x i32> @knownbits_sub_lshr(<4 x i32> %a0) nounwind {
; X32-LABEL: knownbits_sub_lshr:
; X32: # BB#0: