define i1 @slt_and_max(i8 %x, i8 %y) {
; CHECK-LABEL: @slt_and_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 false
;
%cmp = icmp slt i8 %x, %y
%cmpeq = icmp eq i8 %x, 127
define <2 x i1> @slt_and_max_commute(<2 x i8> %x, <2 x i8> %y) {
; CHECK-LABEL: @slt_and_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp slt <2 x i8> [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq <2 x i8> [[X]], <i8 127, i8 127>
-; CHECK-NEXT: [[R:%.*]] = and <2 x i1> [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret <2 x i1> [[R]]
+; CHECK-NEXT: ret <2 x i1> zeroinitializer
;
%cmp = icmp slt <2 x i8> %x, %y
%cmpeq = icmp eq <2 x i8> %x, <i8 127, i8 127>
define i1 @slt_swap_and_max(i8 %x, i8 %y) {
; CHECK-LABEL: @slt_swap_and_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 false
;
%cmp = icmp sgt i8 %y, %x
%cmpeq = icmp eq i8 %x, 127
define i1 @slt_swap_and_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @slt_swap_and_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 false
;
%cmp = icmp sgt i8 %y, %x
%cmpeq = icmp eq i8 %x, 127
define i1 @ult_and_max(i8 %x, i8 %y) {
; CHECK-LABEL: @ult_and_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp ult i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 false
;
%cmp = icmp ult i8 %x, %y
%cmpeq = icmp eq i8 %x, 255
define i1 @ult_and_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @ult_and_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp ult i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 false
;
%cmp = icmp ult i8 %x, %y
%cmpeq = icmp eq i8 %x, 255
define i1 @ult_swap_and_max(i8 %x, i8 %y) {
; CHECK-LABEL: @ult_swap_and_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 false
;
%cmp = icmp ugt i8 %y, %x
%cmpeq = icmp eq i8 %x, 255
define i1 @ult_swap_and_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @ult_swap_and_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 false
;
%cmp = icmp ugt i8 %y, %x
%cmpeq = icmp eq i8 %x, 255
define i1 @sgt_and_min(i9 %x, i9 %y) {
; CHECK-LABEL: @sgt_and_min(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i9 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i9 [[X]], -256
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 false
;
%cmp = icmp sgt i9 %x, %y
%cmpeq = icmp eq i9 %x, 256
define i1 @sgt_and_min_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @sgt_and_min_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 false
;
%cmp = icmp sgt i8 %x, %y
%cmpeq = icmp eq i8 %x, 128
define i1 @sgt_swap_and_min(i8 %x, i8 %y) {
; CHECK-LABEL: @sgt_swap_and_min(
-; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 false
;
%cmp = icmp slt i8 %y, %x
%cmpeq = icmp eq i8 %x, 128
define i1 @sgt_swap_and_min_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @sgt_swap_and_min_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 false
;
%cmp = icmp slt i8 %y, %x
%cmpeq = icmp eq i8 %x, 128
define i1 @sge_or_not_max(i8 %x, i8 %y) {
; CHECK-LABEL: @sge_or_not_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sge i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%cmp = icmp sge i8 %x, %y
%cmpeq = icmp ne i8 %x, 127
define i1 @sge_or_not_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @sge_or_not_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sge i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%cmp = icmp sge i8 %x, %y
%cmpeq = icmp ne i8 %x, 127
define i1 @sge_swap_or_not_max(i8 %x, i8 %y) {
; CHECK-LABEL: @sge_swap_or_not_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sle i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%cmp = icmp sle i8 %y, %x
%cmpeq = icmp ne i8 %x, 127
define i1 @sge_swap_or_not_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @sge_swap_or_not_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sle i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%cmp = icmp sle i8 %y, %x
%cmpeq = icmp ne i8 %x, 127
define i1 @uge_or_not_max(i8 %x, i8 %y) {
; CHECK-LABEL: @uge_or_not_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp uge i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%cmp = icmp uge i8 %x, %y
%cmpeq = icmp ne i8 %x, 255
define i1 @uge_or_not_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @uge_or_not_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp uge i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%cmp = icmp uge i8 %x, %y
%cmpeq = icmp ne i8 %x, 255
define i1 @uge_swap_or_not_max(i8 %x, i8 %y) {
; CHECK-LABEL: @uge_swap_or_not_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp ule i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%cmp = icmp ule i8 %y, %x
%cmpeq = icmp ne i8 %x, 255
define i1 @uge_swap_or_not_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @uge_swap_or_not_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp ule i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%cmp = icmp ule i8 %y, %x
%cmpeq = icmp ne i8 %x, 255
define i1 @sle_or_not_min(i8 %x, i8 %y) {
; CHECK-LABEL: @sle_or_not_min(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sle i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%cmp = icmp sle i8 %x, %y
%cmpeq = icmp ne i8 %x, 128
define i1 @sle_or_not_min_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @sle_or_not_min_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sle i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%cmp = icmp sle i8 %x, %y
%cmpeq = icmp ne i8 %x, 128
define i1 @sle_swap_or_not_min(i8 %x, i8 %y) {
; CHECK-LABEL: @sle_swap_or_not_min(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sge i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%cmp = icmp sge i8 %y, %x
%cmpeq = icmp ne i8 %x, 128
define i1 @sle_swap_or_not_min_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @sle_swap_or_not_min_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sge i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 true
;
%cmp = icmp sge i8 %y, %x
%cmpeq = icmp ne i8 %x, 128
define i1 @sge_and_max(i8 %x, i8 %y) {
; CHECK-LABEL: @sge_and_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sge i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X:%.*]], 127
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp sge i8 %x, %y
%cmpeq = icmp eq i8 %x, 127
define i1 @sge_and_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @sge_and_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sge i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X:%.*]], 127
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp sge i8 %x, %y
%cmpeq = icmp eq i8 %x, 127
define i1 @sge_swap_and_max(i8 %x, i8 %y) {
; CHECK-LABEL: @sge_swap_and_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sle i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X:%.*]], 127
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp sle i8 %y, %x
%cmpeq = icmp eq i8 %x, 127
define i1 @sge_swap_and_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @sge_swap_and_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sle i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X:%.*]], 127
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp sle i8 %y, %x
%cmpeq = icmp eq i8 %x, 127
define i1 @uge_and_max(i8 %x, i8 %y) {
; CHECK-LABEL: @uge_and_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp uge i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X:%.*]], -1
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp uge i8 %x, %y
%cmpeq = icmp eq i8 %x, 255
define i1 @uge_and_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @uge_and_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp uge i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X:%.*]], -1
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp uge i8 %x, %y
%cmpeq = icmp eq i8 %x, 255
define i1 @uge_swap_and_max(i8 %x, i8 %y) {
; CHECK-LABEL: @uge_swap_and_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp ule i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X:%.*]], -1
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp ule i8 %y, %x
%cmpeq = icmp eq i8 %x, 255
define i1 @uge_swap_and_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @uge_swap_and_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp ule i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X:%.*]], -1
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp ule i8 %y, %x
%cmpeq = icmp eq i8 %x, 255
define i1 @sle_and_min(i8 %x, i8 %y) {
; CHECK-LABEL: @sle_and_min(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sle i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X:%.*]], -128
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp sle i8 %x, %y
%cmpeq = icmp eq i8 %x, 128
define i1 @sle_and_min_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @sle_and_min_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sle i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X:%.*]], -128
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp sle i8 %x, %y
%cmpeq = icmp eq i8 %x, 128
define i1 @sle_swap_and_min(i8 %x, i8 %y) {
; CHECK-LABEL: @sle_swap_and_min(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sge i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X:%.*]], -128
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp sge i8 %y, %x
%cmpeq = icmp eq i8 %x, 128
define i1 @sle_swap_and_min_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @sle_swap_and_min_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sge i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = and i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp eq i8 [[X:%.*]], -128
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp sge i8 %y, %x
%cmpeq = icmp eq i8 %x, 128
define i1 @slt_or_not_max(i8 %x, i8 %y) {
; CHECK-LABEL: @slt_or_not_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X:%.*]], 127
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp slt i8 %x, %y
%cmpeq = icmp ne i8 %x, 127
define i1 @slt_or_not_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @slt_or_not_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X:%.*]], 127
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp slt i8 %x, %y
%cmpeq = icmp ne i8 %x, 127
define i1 @slt_swap_or_not_max(i8 %x, i8 %y) {
; CHECK-LABEL: @slt_swap_or_not_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X:%.*]], 127
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp sgt i8 %y, %x
%cmpeq = icmp ne i8 %x, 127
define i1 @slt_swap_or_not_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @slt_swap_or_not_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], 127
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X:%.*]], 127
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp sgt i8 %y, %x
%cmpeq = icmp ne i8 %x, 127
define i1 @ult_or_not_max(i8 %x, i8 %y) {
; CHECK-LABEL: @ult_or_not_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp ult i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X:%.*]], -1
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp ult i8 %x, %y
%cmpeq = icmp ne i8 %x, 255
define i1 @ult_or_not_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @ult_or_not_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp ult i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X:%.*]], -1
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp ult i8 %x, %y
%cmpeq = icmp ne i8 %x, 255
define i1 @ult_swap_or_not_max(i8 %x, i8 %y) {
; CHECK-LABEL: @ult_swap_or_not_max(
-; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X:%.*]], -1
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp ugt i8 %y, %x
%cmpeq = icmp ne i8 %x, 255
define i1 @ult_swap_or_not_max_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @ult_swap_or_not_max_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp ugt i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -1
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X:%.*]], -1
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp ugt i8 %y, %x
%cmpeq = icmp ne i8 %x, 255
define i1 @sgt_or_not_min(i8 %x, i8 %y) {
; CHECK-LABEL: @sgt_or_not_min(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X:%.*]], -128
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp sgt i8 %x, %y
%cmpeq = icmp ne i8 %x, 128
define i1 @sgt_or_not_min_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @sgt_or_not_min_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp sgt i8 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X:%.*]], -128
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp sgt i8 %x, %y
%cmpeq = icmp ne i8 %x, 128
define i1 @sgt_swap_or_not_min(i8 %x, i8 %y) {
; CHECK-LABEL: @sgt_swap_or_not_min(
-; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMP]], [[CMPEQ]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X:%.*]], -128
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp slt i8 %y, %x
%cmpeq = icmp ne i8 %x, 128
define i1 @sgt_swap_or_not_min_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @sgt_swap_or_not_min_commute(
-; CHECK-NEXT: [[CMP:%.*]] = icmp slt i8 [[Y:%.*]], [[X:%.*]]
-; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X]], -128
-; CHECK-NEXT: [[R:%.*]] = or i1 [[CMPEQ]], [[CMP]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[CMPEQ:%.*]] = icmp ne i8 [[X:%.*]], -128
+; CHECK-NEXT: ret i1 [[CMPEQ]]
;
%cmp = icmp slt i8 %y, %x
%cmpeq = icmp ne i8 %x, 128
define i1 @substitute_constant_and_eq_eq(i8 %x, i8 %y) {
; CHECK-LABEL: @substitute_constant_and_eq_eq(
; CHECK-NEXT: [[C1:%.*]] = icmp eq i8 [[X:%.*]], 42
-; CHECK-NEXT: [[C2:%.*]] = icmp eq i8 [[X]], [[Y:%.*]]
-; CHECK-NEXT: [[R:%.*]] = and i1 [[C1]], [[C2]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[Y:%.*]], 42
+; CHECK-NEXT: [[TMP2:%.*]] = and i1 [[C1]], [[TMP1]]
+; CHECK-NEXT: ret i1 [[TMP2]]
;
%c1 = icmp eq i8 %x, 42
%c2 = icmp eq i8 %x, %y
define i1 @substitute_constant_and_eq_eq_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @substitute_constant_and_eq_eq_commute(
; CHECK-NEXT: [[C1:%.*]] = icmp eq i8 [[X:%.*]], 42
-; CHECK-NEXT: [[C2:%.*]] = icmp eq i8 [[X]], [[Y:%.*]]
-; CHECK-NEXT: [[R:%.*]] = and i1 [[C2]], [[C1]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp eq i8 [[Y:%.*]], 42
+; CHECK-NEXT: [[TMP2:%.*]] = and i1 [[C1]], [[TMP1]]
+; CHECK-NEXT: ret i1 [[TMP2]]
;
%c1 = icmp eq i8 %x, 42
%c2 = icmp eq i8 %x, %y
define i1 @substitute_constant_and_eq_ugt_swap(i8 %x, i8 %y) {
; CHECK-LABEL: @substitute_constant_and_eq_ugt_swap(
; CHECK-NEXT: [[C1:%.*]] = icmp eq i8 [[X:%.*]], 42
-; CHECK-NEXT: [[C2:%.*]] = icmp ugt i8 [[Y:%.*]], [[X]]
-; CHECK-NEXT: [[R:%.*]] = and i1 [[C2]], [[C1]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ugt i8 [[Y:%.*]], 42
+; CHECK-NEXT: [[TMP2:%.*]] = and i1 [[C1]], [[TMP1]]
+; CHECK-NEXT: ret i1 [[TMP2]]
;
%c1 = icmp eq i8 %x, 42
%c2 = icmp ugt i8 %y, %x
define <2 x i1> @substitute_constant_and_eq_ne_vec(<2 x i8> %x, <2 x i8> %y) {
; CHECK-LABEL: @substitute_constant_and_eq_ne_vec(
; CHECK-NEXT: [[C1:%.*]] = icmp eq <2 x i8> [[X:%.*]], <i8 42, i8 97>
-; CHECK-NEXT: [[C2:%.*]] = icmp ne <2 x i8> [[X]], [[Y:%.*]]
-; CHECK-NEXT: [[R:%.*]] = and <2 x i1> [[C1]], [[C2]]
-; CHECK-NEXT: ret <2 x i1> [[R]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ne <2 x i8> [[Y:%.*]], <i8 42, i8 97>
+; CHECK-NEXT: [[TMP2:%.*]] = and <2 x i1> [[C1]], [[TMP1]]
+; CHECK-NEXT: ret <2 x i1> [[TMP2]]
;
%c1 = icmp eq <2 x i8> %x, <i8 42, i8 97>
%c2 = icmp ne <2 x i8> %x, %y
; CHECK-LABEL: @substitute_constant_and_eq_sgt_use(
; CHECK-NEXT: [[C1:%.*]] = icmp eq i8 [[X:%.*]], 42
; CHECK-NEXT: call void @use(i1 [[C1]])
-; CHECK-NEXT: [[C2:%.*]] = icmp sgt i8 [[X]], [[Y:%.*]]
-; CHECK-NEXT: [[R:%.*]] = and i1 [[C2]], [[C1]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i8 [[Y:%.*]], 42
+; CHECK-NEXT: [[TMP2:%.*]] = and i1 [[C1]], [[TMP1]]
+; CHECK-NEXT: ret i1 [[TMP2]]
;
%c1 = icmp eq i8 %x, 42
call void @use(i1 %c1)
ret i1 %r
}
+; Negative test - extra use
+
define i1 @substitute_constant_and_eq_sgt_use2(i8 %x, i8 %y) {
; CHECK-LABEL: @substitute_constant_and_eq_sgt_use2(
; CHECK-NEXT: [[C1:%.*]] = icmp eq i8 [[X:%.*]], 42
ret i1 %r
}
+; Extra use does not prevent transform if the expression simplifies:
; X == MAX && X < Y --> false
define i1 @slt_and_max(i8 %x, i8 %y) {
; CHECK-LABEL: @slt_and_max(
-; CHECK-NEXT: [[C1:%.*]] = icmp eq i8 [[X:%.*]], 127
-; CHECK-NEXT: [[C2:%.*]] = icmp slt i8 [[X]], [[Y:%.*]]
+; CHECK-NEXT: [[C2:%.*]] = icmp slt i8 [[X:%.*]], [[Y:%.*]]
; CHECK-NEXT: call void @use(i1 [[C2]])
-; CHECK-NEXT: [[R:%.*]] = and i1 [[C2]], [[C1]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 false
;
%c1 = icmp eq i8 %x, 127
%c2 = icmp slt i8 %x, %y
ret i1 %r
}
+; Extra use does not prevent transform if the expression simplifies:
; X == MAX && X >= Y --> X == MAX
define i1 @sge_and_max(i8 %x, i8 %y) {
; CHECK-NEXT: [[C1:%.*]] = icmp eq i8 [[X:%.*]], 127
; CHECK-NEXT: [[C2:%.*]] = icmp sge i8 [[X]], [[Y:%.*]]
; CHECK-NEXT: call void @use(i1 [[C2]])
-; CHECK-NEXT: [[R:%.*]] = and i1 [[C2]], [[C1]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: ret i1 [[C1]]
;
%c1 = icmp eq i8 %x, 127
%c2 = icmp sge i8 %x, %y
define i1 @substitute_constant_or_ne_swap_sle(i8 %x, i8 %y) {
; CHECK-LABEL: @substitute_constant_or_ne_swap_sle(
; CHECK-NEXT: [[C1:%.*]] = icmp ne i8 [[X:%.*]], 42
-; CHECK-NEXT: [[C2:%.*]] = icmp sle i8 [[Y:%.*]], [[X]]
-; CHECK-NEXT: [[R:%.*]] = or i1 [[C1]], [[C2]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i8 [[Y:%.*]], 43
+; CHECK-NEXT: [[TMP2:%.*]] = or i1 [[C1]], [[TMP1]]
+; CHECK-NEXT: ret i1 [[TMP2]]
;
%c1 = icmp ne i8 %x, 42
%c2 = icmp sle i8 %y, %x
define i1 @substitute_constant_or_ne_uge_commute(i8 %x, i8 %y) {
; CHECK-LABEL: @substitute_constant_or_ne_uge_commute(
; CHECK-NEXT: [[C1:%.*]] = icmp ne i8 [[X:%.*]], 42
-; CHECK-NEXT: [[C2:%.*]] = icmp uge i8 [[X]], [[Y:%.*]]
-; CHECK-NEXT: [[R:%.*]] = or i1 [[C2]], [[C1]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp ult i8 [[Y:%.*]], 43
+; CHECK-NEXT: [[TMP2:%.*]] = or i1 [[C1]], [[TMP1]]
+; CHECK-NEXT: ret i1 [[TMP2]]
;
%c1 = icmp ne i8 %x, 42
%c2 = icmp uge i8 %x, %y
ret i1 %r
}
+; Negative test - not safe to substitute vector constant with undef element
+
define <2 x i1> @substitute_constant_or_ne_slt_swap_vec(<2 x i8> %x, <2 x i8> %y) {
; CHECK-LABEL: @substitute_constant_or_ne_slt_swap_vec(
; CHECK-NEXT: [[C1:%.*]] = icmp ne <2 x i8> [[X:%.*]], <i8 42, i8 undef>
; CHECK-LABEL: @substitute_constant_or_ne_sge_use(
; CHECK-NEXT: [[C1:%.*]] = icmp ne i8 [[X:%.*]], 42
; CHECK-NEXT: call void @use(i1 [[C1]])
-; CHECK-NEXT: [[C2:%.*]] = icmp sge i8 [[X]], [[Y:%.*]]
-; CHECK-NEXT: [[R:%.*]] = or i1 [[C2]], [[C1]]
-; CHECK-NEXT: ret i1 [[R]]
+; CHECK-NEXT: [[TMP1:%.*]] = icmp slt i8 [[Y:%.*]], 43
+; CHECK-NEXT: [[TMP2:%.*]] = or i1 [[C1]], [[TMP1]]
+; CHECK-NEXT: ret i1 [[TMP2]]
;
%c1 = icmp ne i8 %x, 42
call void @use(i1 %c1)
ret i1 %r
}
+; Negative test - extra use
+
define i1 @substitute_constant_or_ne_ule_use2(i8 %x, i8 %y) {
; CHECK-LABEL: @substitute_constant_or_ne_ule_use2(
; CHECK-NEXT: [[C1:%.*]] = icmp ne i8 [[X:%.*]], 42