[InstCombine] add tests for commutative intrinsics; NFC

diff --git a/llvm/test/Transforms/InstCombine/commutative-intrinsics.ll b/llvm/test/Transforms/InstCombine/commutative-intrinsics.ll
new file mode 100644 (file)
index 0000000..92f85f5
--- /dev/null
+++ b/llvm/test/Transforms/InstCombine/commutative-intrinsics.ll
@@ -0,0 +1,83 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S -instcombine < %s | FileCheck %s
+
+define i35 @smax(i35 %x) {
+; CHECK-LABEL: @smax(
+; CHECK-NEXT:    [[R:%.*]] = call i35 @llvm.smax.i35(i35 42, i35 [[X:%.*]])
+; CHECK-NEXT:    ret i35 [[R]]
+;
+  %r = call i35 @llvm.smax.i35(i35 42, i35 %x)
+  ret i35 %r
+}
+
+define i5 @smin(i5 %x) {
+; CHECK-LABEL: @smin(
+; CHECK-NEXT:    [[R:%.*]] = call i5 @llvm.smin.i5(i5 10, i5 [[X:%.*]])
+; CHECK-NEXT:    ret i5 [[R]]
+;
+  %r = call i5 @llvm.smin.i5(i5 42, i5 %x)
+  ret i5 %r
+}
+
+define <2 x i35> @umax(<2 x i35> %x) {
+; CHECK-LABEL: @umax(
+; CHECK-NEXT:    [[R:%.*]] = call <2 x i35> @llvm.umax.v2i35(<2 x i35> <i35 42, i35 43>, <2 x i35> [[X:%.*]])
+; CHECK-NEXT:    ret <2 x i35> [[R]]
+;
+  %r = call <2 x i35> @llvm.umax.v2i35(<2 x i35> <i35 42, i35 43>, <2 x i35> %x)
+  ret <2 x i35> %r
+}
+
+define <3 x i35> @umin(<3 x i35> %x) {
+; CHECK-LABEL: @umin(
+; CHECK-NEXT:    [[R:%.*]] = call <3 x i35> @llvm.umin.v3i35(<3 x i35> <i35 undef, i35 42, i35 43>, <3 x i35> [[X:%.*]])
+; CHECK-NEXT:    ret <3 x i35> [[R]]
+;
+  %r = call <3 x i35> @llvm.umin.v3i35(<3 x i35> <i35 undef, i35 42, i35 43>, <3 x i35> %x)
+  ret <3 x i35> %r
+}
+
+define i35 @smul_fix(i35 %x) {
+; CHECK-LABEL: @smul_fix(
+; CHECK-NEXT:    [[R:%.*]] = call i35 @llvm.smul.fix.i35(i35 42, i35 [[X:%.*]], i32 2)
+; CHECK-NEXT:    ret i35 [[R]]
+;
+  %r = call i35 @llvm.smul.fix.i35(i35 42, i35 %x, i32 2)
+  ret i35 %r
+}
+
+define i5 @umul_fix(i5 %x) {
+; CHECK-LABEL: @umul_fix(
+; CHECK-NEXT:    [[R:%.*]] = call i5 @llvm.umul.fix.i5(i5 10, i5 [[X:%.*]], i32 3)
+; CHECK-NEXT:    ret i5 [[R]]
+;
+  %r = call i5 @llvm.umul.fix.i5(i5 42, i5 %x, i32 3)
+  ret i5 %r
+}
+
+define <2 x i35> @smul_fix_sat(<2 x i35> %x) {
+; CHECK-LABEL: @smul_fix_sat(
+; CHECK-NEXT:    [[R:%.*]] = call <2 x i35> @llvm.smul.fix.sat.v2i35(<2 x i35> <i35 42, i35 43>, <2 x i35> [[X:%.*]], i32 4)
+; CHECK-NEXT:    ret <2 x i35> [[R]]
+;
+  %r = call <2 x i35> @llvm.smul.fix.sat.v2i35(<2 x i35> <i35 42, i35 43>, <2 x i35> %x, i32 4)
+  ret <2 x i35> %r
+}
+
+define <3 x i35> @umul_fix_sat(<3 x i35> %x) {
+; CHECK-LABEL: @umul_fix_sat(
+; CHECK-NEXT:    [[R:%.*]] = call <3 x i35> @llvm.umul.fix.sat.v3i35(<3 x i35> <i35 undef, i35 42, i35 43>, <3 x i35> [[X:%.*]], i32 5)
+; CHECK-NEXT:    ret <3 x i35> [[R]]
+;
+  %r = call <3 x i35> @llvm.umul.fix.sat.v3i35(<3 x i35> <i35 undef, i35 42, i35 43>, <3 x i35> %x, i32 5)
+  ret <3 x i35> %r
+}
+
+declare i35 @llvm.smax.i35(i35, i35)
+declare i5 @llvm.smin.i5(i5, i5)
+declare <2 x i35> @llvm.umax.v2i35(<2 x i35>, <2 x i35>)
+declare <3 x i35> @llvm.umin.v3i35(<3 x i35>, <3 x i35>)
+declare i35 @llvm.smul.fix.i35(i35, i35, i32)
+declare i5 @llvm.umul.fix.i5(i5, i5, i32)
+declare <2 x i35> @llvm.smul.fix.sat.v2i35(<2 x i35>, <2 x i35>, i32)
+declare <3 x i35> @llvm.umul.fix.sat.v3i35(<3 x i35>, <3 x i35>, i32)