[X86][NFC] Add test cases for pr88958

Author: phoebewang

llvm/test/CodeGen/X86/combine-ptest.ll

@@ -397,6 +397,48 @@ define i1 @PR38788(<4 x i32> %0, <4 x i32> %1) {
   ret i1 %7
 }
 
+define i32 @PR88958_1(ptr %0, <2 x i64> %1) {
+; SSE-LABEL: PR88958_1:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movdqa (%rdi), %xmm1
+; SSE-NEXT:    xorl %eax, %eax
+; SSE-NEXT:    ptest %xmm0, %xmm1
+; SSE-NEXT:    sete %al
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: PR88958_1:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovdqa (%rdi), %xmm1
+; AVX-NEXT:    xorl %eax, %eax
+; AVX-NEXT:    vptest %xmm0, %xmm1
+; AVX-NEXT:    sete %al
+; AVX-NEXT:    retq
+  %3 = load <2 x i64>, ptr %0
+  %4 = tail call i32 @llvm.x86.sse41.ptestz(<2 x i64> %3, <2 x i64> %1)
+  ret i32 %4
+}
+
+define i32 @PR88958_2(ptr %0, <2 x i64> %1) {
+; SSE-LABEL: PR88958_2:
+; SSE:       # %bb.0:
+; SSE-NEXT:    movdqa (%rdi), %xmm1
+; SSE-NEXT:    xorl %eax, %eax
+; SSE-NEXT:    ptest %xmm0, %xmm1
+; SSE-NEXT:    setb %al
+; SSE-NEXT:    retq
+;
+; AVX-LABEL: PR88958_2:
+; AVX:       # %bb.0:
+; AVX-NEXT:    vmovdqa (%rdi), %xmm1
+; AVX-NEXT:    xorl %eax, %eax
+; AVX-NEXT:    vptest %xmm0, %xmm1
+; AVX-NEXT:    setb %al
+; AVX-NEXT:    retq
+  %3 = load <2 x i64>, ptr %0
+  %4 = tail call i32 @llvm.x86.sse41.ptestc(<2 x i64> %3, <2 x i64> %1)
+  ret i32 %4
+}
+
 declare i32 @llvm.x86.sse41.ptestz(<2 x i64>, <2 x i64>) nounwind readnone
 declare i32 @llvm.x86.sse41.ptestc(<2 x i64>, <2 x i64>) nounwind readnone
 declare i32 @llvm.x86.sse41.ptestnzc(<2 x i64>, <2 x i64>) nounwind readnone