[x86] add tests for logic of setcc (PR40611); NFC

llvm-svn: 353789

Author: rotateright

llvm/test/CodeGen/X86/setcc-logic.ll

@@ -482,3 +482,33 @@ define <4 x i1> @and_eq_vec(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c, <4 x i32>
   ret <4 x i1> %and
 }
 
+define i1 @or_icmps_const_1bit_diff(i8 %x) {
+; CHECK-LABEL: or_icmps_const_1bit_diff:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    cmpb $43, %dil
+; CHECK-NEXT:    sete %cl
+; CHECK-NEXT:    cmpb $45, %dil
+; CHECK-NEXT:    sete %al
+; CHECK-NEXT:    orb %cl, %al
+; CHECK-NEXT:    retq
+  %a = icmp eq i8 %x, 43
+  %b = icmp eq i8 %x, 45
+  %r = or i1 %a, %b
+  ret i1 %r
+}
+
+define i1 @and_icmps_const_1bit_diff(i32 %x) {
+; CHECK-LABEL: and_icmps_const_1bit_diff:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    cmpl $44, %edi
+; CHECK-NEXT:    setne %cl
+; CHECK-NEXT:    cmpl $60, %edi
+; CHECK-NEXT:    setne %al
+; CHECK-NEXT:    andb %cl, %al
+; CHECK-NEXT:    retq
+  %a = icmp ne i32 %x, 44
+  %b = icmp ne i32 %x, 60
+  %r = and i1 %a, %b
+  ret i1 %r
+}
+