ret i8 %binop
}
+define i8 @shl_add(i8 %x) {
+; CHECK-LABEL: define i8 @shl_add
+; CHECK-SAME: (i8 [[X:%.*]]) {
+; CHECK-NEXT: [[SHIFT:%.*]] = shl i8 16, [[X]]
+; CHECK-NEXT: [[ADD:%.*]] = add i8 [[X]], 1
+; CHECK-NEXT: [[SHIFT2:%.*]] = shl i8 7, [[ADD]]
+; CHECK-NEXT: [[BINOP:%.*]] = add i8 [[SHIFT]], [[SHIFT2]]
+; CHECK-NEXT: ret i8 [[BINOP]]
+;
+ %shift = shl i8 16, %x
+ %add = add i8 %x, 1
+ %shift2 = shl i8 7, %add
+ %binop = add i8 %shift, %shift2
+ ret i8 %binop
+}
+
+define i8 @lshr_add_fail(i8 %x) {
+; CHECK-LABEL: define i8 @lshr_add_fail
+; CHECK-SAME: (i8 [[X:%.*]]) {
+; CHECK-NEXT: [[SHIFT:%.*]] = lshr i8 16, [[X]]
+; CHECK-NEXT: [[ADD:%.*]] = add i8 [[X]], 1
+; CHECK-NEXT: [[SHIFT2:%.*]] = lshr i8 7, [[ADD]]
+; CHECK-NEXT: [[BINOP:%.*]] = add nuw nsw i8 [[SHIFT]], [[SHIFT2]]
+; CHECK-NEXT: ret i8 [[BINOP]]
+;
+ %shift = lshr i8 16, %x
+ %add = add i8 %x, 1
+ %shift2 = lshr i8 7, %add
+ %binop = add i8 %shift, %shift2
+ ret i8 %binop
+}
+
+define i8 @ashr_add_fail(i8 %x) {
+; CHECK-LABEL: define i8 @ashr_add_fail
+; CHECK-SAME: (i8 [[X:%.*]]) {
+; CHECK-NEXT: [[SHIFT:%.*]] = ashr i8 -128, [[X]]
+; CHECK-NEXT: [[ADD:%.*]] = add i8 [[X]], 1
+; CHECK-NEXT: [[SHIFT2:%.*]] = ashr i8 -128, [[ADD]]
+; CHECK-NEXT: [[BINOP:%.*]] = add i8 [[SHIFT]], [[SHIFT2]]
+; CHECK-NEXT: ret i8 [[BINOP]]
+;
+ %shift = ashr i8 -128, %x
+ %add = add i8 %x, 1
+ %shift2 = ashr i8 -128, %add
+ %binop = add i8 %shift, %shift2
+ ret i8 %binop
+}
+
define i8 @shl_or_commuted(i8 %x) {
; CHECK-LABEL: define i8 @shl_or_commuted
; CHECK-SAME: (i8 [[X:%.*]]) {
%binop = or i8 %shift, %shift2
ret i8 %binop
}
+
+define <2 x i8> @shl_or_non_splat_out_of_range(<2 x i8> %x) {
+; CHECK-LABEL: define <2 x i8> @shl_or_non_splat_out_of_range
+; CHECK-SAME: (<2 x i8> [[X:%.*]]) {
+; CHECK-NEXT: [[SHIFT:%.*]] = shl <2 x i8> <i8 16, i8 32>, [[X]]
+; CHECK-NEXT: [[ADD:%.*]] = add <2 x i8> [[X]], <i8 1, i8 32>
+; CHECK-NEXT: [[SHIFT2:%.*]] = shl <2 x i8> <i8 3, i8 7>, [[ADD]]
+; CHECK-NEXT: [[BINOP:%.*]] = or <2 x i8> [[SHIFT]], [[SHIFT2]]
+; CHECK-NEXT: ret <2 x i8> [[BINOP]]
+;
+ %shift = shl <2 x i8> <i8 16, i8 32>, %x
+ %add = add <2 x i8> %x, <i8 1, i8 32>
+ %shift2 = shl <2 x i8> <i8 3, i8 7>, %add
+ %binop = or <2 x i8> %shift, %shift2
+ ret <2 x i8> %binop
+}