ret i1 %ret
}
+define i1 @pv(i8 %x, i8 %y) {
+; CHECK-LABEL: @pv(
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp uge i8 [[TMP0]], [[X:%.*]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %tmp0, %x
+ %ret = icmp eq i8 %tmp1, %x
+ ret i1 %ret
+}
+
; ============================================================================ ;
; Vector tests
; ============================================================================ ;
ret i1 %ret
}
+; ============================================================================ ;
+; Commutativity tests with variable
+; ============================================================================ ;
+
+define i1 @cv0(i8 %y) {
+; CHECK-LABEL: @cv0(
+; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i8 [[X]], [[TMP0]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %x = call i8 @gen8()
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %x, %tmp0 ; swapped order
+ %ret = icmp eq i8 %tmp1, %x
+ ret i1 %ret
+}
+
+define i1 @cv1(i8 %y) {
+; CHECK-LABEL: @cv1(
+; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i8 [[X]], [[TMP0]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %x = call i8 @gen8()
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %tmp0, %x
+ %ret = icmp eq i8 %x, %tmp1 ; swapped order
+ ret i1 %ret
+}
+
+define i1 @cv2(i8 %y) {
+; CHECK-LABEL: @cv2(
+; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ule i8 [[X]], [[TMP0]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %x = call i8 @gen8()
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %x, %tmp0 ; swapped order
+ %ret = icmp eq i8 %x, %tmp1 ; swapped order
+ ret i1 %ret
+}
+
; ============================================================================ ;
; One-use tests. We don't care about multi-uses here.
; ============================================================================ ;
ret i1 %ret
}
+define i1 @pv(i8 %x, i8 %y) {
+; CHECK-LABEL: @pv(
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i8 [[TMP0]], [[X:%.*]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %tmp0, %x
+ %ret = icmp ne i8 %tmp1, %x
+ ret i1 %ret
+}
+
; ============================================================================ ;
; Vector tests
; ============================================================================ ;
ret i1 %ret
}
+; ============================================================================ ;
+; Commutativity tests with variable
+; ============================================================================ ;
+
+define i1 @cv0(i8 %y) {
+; CHECK-LABEL: @cv0(
+; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[X]], [[TMP0]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %x = call i8 @gen8()
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %x, %tmp0 ; swapped order
+ %ret = icmp ne i8 %tmp1, %x
+ ret i1 %ret
+}
+
+define i1 @cv1(i8 %y) {
+; CHECK-LABEL: @cv1(
+; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[X]], [[TMP0]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %x = call i8 @gen8()
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %tmp0, %x
+ %ret = icmp ne i8 %x, %tmp1 ; swapped order
+ ret i1 %ret
+}
+
+define i1 @cv2(i8 %y) {
+; CHECK-LABEL: @cv2(
+; CHECK-NEXT: [[X:%.*]] = call i8 @gen8()
+; CHECK-NEXT: [[TMP0:%.*]] = lshr i8 -1, [[Y:%.*]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[X]], [[TMP0]]
+; CHECK-NEXT: ret i1 [[TMP1]]
+;
+ %x = call i8 @gen8()
+ %tmp0 = lshr i8 -1, %y
+ %tmp1 = and i8 %x, %tmp0 ; swapped order
+ %ret = icmp ne i8 %x, %tmp1 ; swapped order
+ ret i1 %ret
+}
+
; ============================================================================ ;
; One-use tests. We don't care about multi-uses here.
; ============================================================================ ;