[llvm] 6da3503 - [InstCombine] add tests for min/max intrinsics with offset operand; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Fri Sep 17 13:39:11 PDT 2021
Author: Sanjay Patel
Date: 2021-09-17T16:36:46-04:00
New Revision: 6da35036023d9184bc2578c9c9baff76dd70c43e
URL: https://github.com/llvm/llvm-project/commit/6da35036023d9184bc2578c9c9baff76dd70c43e
DIFF: https://github.com/llvm/llvm-project/commit/6da35036023d9184bc2578c9c9baff76dd70c43e.diff
LOG: [InstCombine] add tests for min/max intrinsics with offset operand; NFC
Added:
Modified:
llvm/test/Transforms/InstCombine/minmax-intrinsics.ll
Removed:
################################################################################
diff --git a/llvm/test/Transforms/InstCombine/minmax-intrinsics.ll b/llvm/test/Transforms/InstCombine/minmax-intrinsics.ll
index 27d045edb395..d0d65f881d91 100644
--- a/llvm/test/Transforms/InstCombine/minmax-intrinsics.ll
+++ b/llvm/test/Transforms/InstCombine/minmax-intrinsics.ll
@@ -1866,3 +1866,219 @@ define void @cmyk_commute11(i8 %r, i8 %g, i8 %b) {
call void @use4(i8 %ck, i8 %mk, i8 %yk, i8 %k)
ret void
}
+
+define i8 @smax_offset(i8 %x) {
+; CHECK-LABEL: @smax_offset(
+; CHECK-NEXT: [[A:%.*]] = add nsw i8 [[X:%.*]], 3
+; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.smax.i8(i8 [[A]], i8 -124)
+; CHECK-NEXT: ret i8 [[M]]
+;
+ %a = add nsw i8 %x, 3
+ %m = call i8 @llvm.smax.i8(i8 %a, i8 -124)
+ ret i8 %m
+}
+
+define i8 @smax_offset_limit(i8 %x) {
+; CHECK-LABEL: @smax_offset_limit(
+; CHECK-NEXT: [[A:%.*]] = add nsw i8 [[X:%.*]], 3
+; CHECK-NEXT: ret i8 [[A]]
+;
+ %a = add nsw i8 %x, 3
+ %m = call i8 @llvm.smax.i8(i8 %a, i8 -125)
+ ret i8 %m
+}
+
+define i8 @smax_offset_overflow(i8 %x) {
+; CHECK-LABEL: @smax_offset_overflow(
+; CHECK-NEXT: [[A:%.*]] = add nsw i8 [[X:%.*]], 3
+; CHECK-NEXT: ret i8 [[A]]
+;
+ %a = add nsw i8 %x, 3
+ %m = call i8 @llvm.smax.i8(i8 %a, i8 -126)
+ ret i8 %m
+}
+
+define i8 @smax_offset_may_wrap(i8 %x) {
+; CHECK-LABEL: @smax_offset_may_wrap(
+; CHECK-NEXT: [[A:%.*]] = add i8 [[X:%.*]], 3
+; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.smax.i8(i8 [[A]], i8 -124)
+; CHECK-NEXT: ret i8 [[M]]
+;
+ %a = add i8 %x, 3
+ %m = call i8 @llvm.smax.i8(i8 %a, i8 -124)
+ ret i8 %m
+}
+
+define i8 @smax_offset_uses(i8 %x) {
+; CHECK-LABEL: @smax_offset_uses(
+; CHECK-NEXT: [[A:%.*]] = add nsw i8 [[X:%.*]], 3
+; CHECK-NEXT: call void @use(i8 [[A]])
+; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.smax.i8(i8 [[A]], i8 -124)
+; CHECK-NEXT: ret i8 [[M]]
+;
+ %a = add nsw i8 %x, 3
+ call void @use(i8 %a)
+ %m = call i8 @llvm.smax.i8(i8 %a, i8 -124)
+ ret i8 %m
+}
+
+define <3 x i8> @smin_offset(<3 x i8> %x) {
+; CHECK-LABEL: @smin_offset(
+; CHECK-NEXT: [[A:%.*]] = add nsw <3 x i8> [[X:%.*]], <i8 124, i8 124, i8 124>
+; CHECK-NEXT: [[M:%.*]] = call <3 x i8> @llvm.smin.v3i8(<3 x i8> [[A]], <3 x i8> <i8 -3, i8 -3, i8 -3>)
+; CHECK-NEXT: ret <3 x i8> [[M]]
+;
+ %a = add nsw <3 x i8> %x, <i8 124, i8 124, i8 124>
+ %m = call <3 x i8> @llvm.smin.v3i8(<3 x i8> %a, <3 x i8> <i8 -3, i8 -3, i8 -3>)
+ ret <3 x i8> %m
+}
+
+define i8 @smin_offset_limit(i8 %x) {
+; CHECK-LABEL: @smin_offset_limit(
+; CHECK-NEXT: ret i8 -3
+;
+ %a = add nsw i8 %x, 125
+ %m = call i8 @llvm.smin.i8(i8 %a, i8 -3)
+ ret i8 %m
+}
+
+define i8 @smin_offset_overflow(i8 %x) {
+; CHECK-LABEL: @smin_offset_overflow(
+; CHECK-NEXT: ret i8 -3
+;
+ %a = add nsw i8 %x, 126
+ %m = call i8 @llvm.smin.i8(i8 %a, i8 -3)
+ ret i8 %m
+}
+
+define i8 @smin_offset_may_wrap(i8 %x) {
+; CHECK-LABEL: @smin_offset_may_wrap(
+; CHECK-NEXT: [[A:%.*]] = add nuw i8 [[X:%.*]], 124
+; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.smin.i8(i8 [[A]], i8 -3)
+; CHECK-NEXT: ret i8 [[M]]
+;
+ %a = add nuw i8 %x, 124
+ %m = call i8 @llvm.smin.i8(i8 %a, i8 -3)
+ ret i8 %m
+}
+
+define i8 @smin_offset_uses(i8 %x) {
+; CHECK-LABEL: @smin_offset_uses(
+; CHECK-NEXT: [[A:%.*]] = add nsw i8 [[X:%.*]], 124
+; CHECK-NEXT: call void @use(i8 [[A]])
+; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.smin.i8(i8 [[A]], i8 -3)
+; CHECK-NEXT: ret i8 [[M]]
+;
+ %a = add nsw i8 %x, 124
+ call void @use(i8 %a)
+ %m = call i8 @llvm.smin.i8(i8 %a, i8 -3)
+ ret i8 %m
+}
+
+define <3 x i8> @umax_offset(<3 x i8> %x) {
+; CHECK-LABEL: @umax_offset(
+; CHECK-NEXT: [[A:%.*]] = add nuw <3 x i8> [[X:%.*]], <i8 3, i8 3, i8 3>
+; CHECK-NEXT: [[M:%.*]] = call <3 x i8> @llvm.umax.v3i8(<3 x i8> [[A]], <3 x i8> <i8 4, i8 4, i8 4>)
+; CHECK-NEXT: ret <3 x i8> [[M]]
+;
+ %a = add nuw <3 x i8> %x, <i8 3, i8 3, i8 3>
+ %m = call <3 x i8> @llvm.umax.v3i8(<3 x i8> %a, <3 x i8> <i8 4, i8 4, i8 4>)
+ ret <3 x i8> %m
+}
+
+define i8 @umax_offset_limit(i8 %x) {
+; CHECK-LABEL: @umax_offset_limit(
+; CHECK-NEXT: [[A:%.*]] = add nuw i8 [[X:%.*]], 3
+; CHECK-NEXT: ret i8 [[A]]
+;
+ %a = add nuw i8 %x, 3
+ %m = call i8 @llvm.umax.i8(i8 %a, i8 3)
+ ret i8 %m
+}
+
+define i8 @umax_offset_overflow(i8 %x) {
+; CHECK-LABEL: @umax_offset_overflow(
+; CHECK-NEXT: [[A:%.*]] = add nuw i8 [[X:%.*]], 3
+; CHECK-NEXT: ret i8 [[A]]
+;
+ %a = add nuw i8 %x, 3
+ %m = call i8 @llvm.umax.i8(i8 %a, i8 2)
+ ret i8 %m
+}
+
+define i8 @umax_offset_may_wrap(i8 %x) {
+; CHECK-LABEL: @umax_offset_may_wrap(
+; CHECK-NEXT: [[A:%.*]] = add i8 [[X:%.*]], 3
+; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umax.i8(i8 [[A]], i8 4)
+; CHECK-NEXT: ret i8 [[M]]
+;
+ %a = add i8 %x, 3
+ %m = call i8 @llvm.umax.i8(i8 %a, i8 4)
+ ret i8 %m
+}
+
+define i8 @umax_offset_uses(i8 %x) {
+; CHECK-LABEL: @umax_offset_uses(
+; CHECK-NEXT: [[A:%.*]] = add nuw i8 [[X:%.*]], 3
+; CHECK-NEXT: call void @use(i8 [[A]])
+; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umax.i8(i8 [[A]], i8 4)
+; CHECK-NEXT: ret i8 [[M]]
+;
+ %a = add nuw i8 %x, 3
+ call void @use(i8 %a)
+ %m = call i8 @llvm.umax.i8(i8 %a, i8 4)
+ ret i8 %m
+}
+
+define i8 @umin_offset(i8 %x) {
+; CHECK-LABEL: @umin_offset(
+; CHECK-NEXT: [[A:%.*]] = add nuw i8 [[X:%.*]], -5
+; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umin.i8(i8 [[A]], i8 -4)
+; CHECK-NEXT: ret i8 [[M]]
+;
+ %a = add nuw i8 %x, 251
+ %m = call i8 @llvm.umin.i8(i8 %a, i8 252)
+ ret i8 %m
+}
+
+define i8 @umin_offset_limit(i8 %x) {
+; CHECK-LABEL: @umin_offset_limit(
+; CHECK-NEXT: ret i8 -4
+;
+ %a = add nuw i8 %x, 252
+ %m = call i8 @llvm.umin.i8(i8 %a, i8 252)
+ ret i8 %m
+}
+
+define i8 @umin_offset_overflow(i8 %x) {
+; CHECK-LABEL: @umin_offset_overflow(
+; CHECK-NEXT: ret i8 -4
+;
+ %a = add nuw i8 %x, 253
+ %m = call i8 @llvm.umin.i8(i8 %a, i8 252)
+ ret i8 %m
+}
+
+define i8 @umin_offset_may_wrap(i8 %x) {
+; CHECK-LABEL: @umin_offset_may_wrap(
+; CHECK-NEXT: [[A:%.*]] = add nsw i8 [[X:%.*]], -5
+; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umin.i8(i8 [[A]], i8 -4)
+; CHECK-NEXT: ret i8 [[M]]
+;
+ %a = add nsw i8 %x, 251
+ %m = call i8 @llvm.umin.i8(i8 %a, i8 252)
+ ret i8 %m
+}
+
+define i8 @umin_offset_uses(i8 %x) {
+; CHECK-LABEL: @umin_offset_uses(
+; CHECK-NEXT: [[A:%.*]] = add nuw i8 [[X:%.*]], -5
+; CHECK-NEXT: call void @use(i8 [[A]])
+; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umin.i8(i8 [[A]], i8 -4)
+; CHECK-NEXT: ret i8 [[M]]
+;
+ %a = add nuw i8 %x, 251
+ call void @use(i8 %a)
+ %m = call i8 @llvm.umin.i8(i8 %a, i8 252)
+ ret i8 %m
+}
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