Author: Sanjay Patel Date: 2021-01-25T07:52:50-05:00 New Revision: 07b60d0060688dea121be36b46de859bafcec29b
URL: https://github.com/llvm/llvm-project/commit/07b60d0060688dea121be36b46de859bafcec29b DIFF: https://github.com/llvm/llvm-project/commit/07b60d0060688dea121be36b46de859bafcec29b.diff LOG: [InstCombine] add tests for min/max intrinsics with extended values; 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 797f85d94447..bccfac81bdce 100644 --- a/llvm/test/Transforms/InstCombine/minmax-intrinsics.ll +++ b/llvm/test/Transforms/InstCombine/minmax-intrinsics.ll @@ -5,6 +5,8 @@ declare i8 @llvm.umin.i8(i8, i8) declare i8 @llvm.umax.i8(i8, i8) declare i8 @llvm.smin.i8(i8, i8) declare i8 @llvm.smax.i8(i8, i8) +declare <3 x i8> @llvm.umin.v3i8(<3 x i8>, <3 x i8>) +declare void @use(i8) define i8 @umin_known_bits(i8 %x, i8 %y) { ; CHECK-LABEL: @umin_known_bits( @@ -45,3 +47,154 @@ define i8 @smax_known_bits(i8 %x, i8 %y) { %r = and i8 %m, -128 ret i8 %r } + +define i8 @smax_sext(i5 %x, i5 %y) { +; CHECK-LABEL: @smax_sext( +; CHECK-NEXT: [[SX:%.*]] = sext i5 [[X:%.*]] to i8 +; CHECK-NEXT: [[SY:%.*]] = sext i5 [[Y:%.*]] to i8 +; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.smax.i8(i8 [[SX]], i8 [[SY]]) +; CHECK-NEXT: ret i8 [[M]] +; + %sx = sext i5 %x to i8 + %sy = sext i5 %y to i8 + %m = call i8 @llvm.smax.i8(i8 %sx, i8 %sy) + ret i8 %m +} + +define i8 @smin_sext(i5 %x, i5 %y) { +; CHECK-LABEL: @smin_sext( +; CHECK-NEXT: [[SX:%.*]] = sext i5 [[X:%.*]] to i8 +; CHECK-NEXT: [[SY:%.*]] = sext i5 [[Y:%.*]] to i8 +; CHECK-NEXT: call void @use(i8 [[SY]]) +; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.smin.i8(i8 [[SX]], i8 [[SY]]) +; CHECK-NEXT: ret i8 [[M]] +; + %sx = sext i5 %x to i8 + %sy = sext i5 %y to i8 + call void @use(i8 %sy) + %m = call i8 @llvm.smin.i8(i8 %sx, i8 %sy) + ret i8 %m +} + +define i8 @umax_sext(i5 %x, i5 %y) { +; CHECK-LABEL: @umax_sext( +; CHECK-NEXT: [[SX:%.*]] = sext i5 [[X:%.*]] to i8 +; CHECK-NEXT: call void @use(i8 [[SX]]) +; CHECK-NEXT: [[SY:%.*]] = sext i5 [[Y:%.*]] to i8 +; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umax.i8(i8 [[SX]], i8 [[SY]]) +; CHECK-NEXT: ret i8 [[M]] +; + %sx = sext i5 %x to i8 + call void @use(i8 %sx) + %sy = sext i5 %y to i8 + %m = call i8 @llvm.umax.i8(i8 %sx, i8 %sy) + ret i8 %m +} + +define <3 x i8> @umin_sext(<3 x i5> %x, <3 x i5> %y) { +; CHECK-LABEL: @umin_sext( +; CHECK-NEXT: [[SX:%.*]] = sext <3 x i5> [[X:%.*]] to <3 x i8> +; CHECK-NEXT: [[SY:%.*]] = sext <3 x i5> [[Y:%.*]] to <3 x i8> +; CHECK-NEXT: [[M:%.*]] = call <3 x i8> @llvm.umin.v3i8(<3 x i8> [[SX]], <3 x i8> [[SY]]) +; CHECK-NEXT: ret <3 x i8> [[M]] +; + %sx = sext <3 x i5> %x to <3 x i8> + %sy = sext <3 x i5> %y to <3 x i8> + %m = call <3 x i8> @llvm.umin.v3i8(<3 x i8> %sx, <3 x i8> %sy) + ret <3 x i8> %m +} + +define i8 @smax_zext(i5 %x, i5 %y) { +; CHECK-LABEL: @smax_zext( +; CHECK-NEXT: [[ZX:%.*]] = zext i5 [[X:%.*]] to i8 +; CHECK-NEXT: [[ZY:%.*]] = zext i5 [[Y:%.*]] to i8 +; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.smax.i8(i8 [[ZX]], i8 [[ZY]]) +; CHECK-NEXT: ret i8 [[M]] +; + %zx = zext i5 %x to i8 + %zy = zext i5 %y to i8 + %m = call i8 @llvm.smax.i8(i8 %zx, i8 %zy) + ret i8 %m +} + +define i8 @smin_zext(i5 %x, i5 %y) { +; CHECK-LABEL: @smin_zext( +; CHECK-NEXT: [[ZX:%.*]] = zext i5 [[X:%.*]] to i8 +; CHECK-NEXT: [[ZY:%.*]] = zext i5 [[Y:%.*]] to i8 +; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.smin.i8(i8 [[ZX]], i8 [[ZY]]) +; CHECK-NEXT: ret i8 [[M]] +; + %zx = zext i5 %x to i8 + %zy = zext i5 %y to i8 + %m = call i8 @llvm.smin.i8(i8 %zx, i8 %zy) + ret i8 %m +} + +define i8 @umax_zext(i5 %x, i5 %y) { +; CHECK-LABEL: @umax_zext( +; CHECK-NEXT: [[ZX:%.*]] = zext i5 [[X:%.*]] to i8 +; CHECK-NEXT: [[ZY:%.*]] = zext i5 [[Y:%.*]] to i8 +; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umax.i8(i8 [[ZX]], i8 [[ZY]]) +; CHECK-NEXT: ret i8 [[M]] +; + %zx = zext i5 %x to i8 + %zy = zext i5 %y to i8 + %m = call i8 @llvm.umax.i8(i8 %zx, i8 %zy) + ret i8 %m +} + +define i8 @umin_zext(i5 %x, i5 %y) { +; CHECK-LABEL: @umin_zext( +; CHECK-NEXT: [[ZX:%.*]] = zext i5 [[X:%.*]] to i8 +; CHECK-NEXT: [[ZY:%.*]] = zext i5 [[Y:%.*]] to i8 +; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umin.i8(i8 [[ZX]], i8 [[ZY]]) +; CHECK-NEXT: ret i8 [[M]] +; + %zx = zext i5 %x to i8 + %zy = zext i5 %y to i8 + %m = call i8 @llvm.umin.i8(i8 %zx, i8 %zy) + ret i8 %m +} + +define i8 @umin_zext_types(i6 %x, i5 %y) { +; CHECK-LABEL: @umin_zext_types( +; CHECK-NEXT: [[ZX:%.*]] = zext i6 [[X:%.*]] to i8 +; CHECK-NEXT: [[ZY:%.*]] = zext i5 [[Y:%.*]] to i8 +; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umin.i8(i8 [[ZX]], i8 [[ZY]]) +; CHECK-NEXT: ret i8 [[M]] +; + %zx = zext i6 %x to i8 + %zy = zext i5 %y to i8 + %m = call i8 @llvm.umin.i8(i8 %zx, i8 %zy) + ret i8 %m +} + +define i8 @umin_ext(i5 %x, i5 %y) { +; CHECK-LABEL: @umin_ext( +; CHECK-NEXT: [[SX:%.*]] = sext i5 [[X:%.*]] to i8 +; CHECK-NEXT: [[ZY:%.*]] = zext i5 [[Y:%.*]] to i8 +; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umin.i8(i8 [[SX]], i8 [[ZY]]) +; CHECK-NEXT: ret i8 [[M]] +; + %sx = sext i5 %x to i8 + %zy = zext i5 %y to i8 + %m = call i8 @llvm.umin.i8(i8 %sx, i8 %zy) + ret i8 %m +} + +define i8 @umin_zext_uses(i5 %x, i5 %y) { +; CHECK-LABEL: @umin_zext_uses( +; CHECK-NEXT: [[ZX:%.*]] = zext i5 [[X:%.*]] to i8 +; CHECK-NEXT: call void @use(i8 [[ZX]]) +; CHECK-NEXT: [[ZY:%.*]] = zext i5 [[Y:%.*]] to i8 +; CHECK-NEXT: call void @use(i8 [[ZY]]) +; CHECK-NEXT: [[M:%.*]] = call i8 @llvm.umin.i8(i8 [[ZX]], i8 [[ZY]]) +; CHECK-NEXT: ret i8 [[M]] +; + %zx = zext i5 %x to i8 + call void @use(i8 %zx) + %zy = zext i5 %y to i8 + call void @use(i8 %zy) + %m = call i8 @llvm.umin.i8(i8 %zx, i8 %zy) + ret i8 %m +} _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
