add test

llvm · Jul 14, 2024 · 03b54bc · 03b54bc
1 parent 12b5833
commit 03b54bc
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/llvm/test/Transforms/InstCombine/select-of-sym-selects.ll b/llvm/test/Transforms/InstCombine/select-of-sym-selects.ll
@@ -0,0 +1,14 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt < %s -passes=instcombine -S | FileCheck %s
+
+define i32 @src(i32 %a, i32 %b, i1 %c1, i1 %c2) {
+; CHECK-LABEL: @src(
+; CHECK-NEXT:    [[TMP1:%.*]] = xor i1 [[C1:%.*]], [[C2:%.*]]
+; CHECK-NEXT:    [[RET:%.*]] = select i1 [[TMP1]], i32 [[B:%.*]], i32 [[A:%.*]]
+; CHECK-NEXT:    ret i32 [[RET]]
+;
+  %sel1 = select i1 %c1, i32 %a, i32 %b
+  %sel2 = select i1 %c1, i32 %b, i32 %a
+  %ret = select i1 %c2, i32 %sel1, i32 %sel2
+  ret i32 %ret
+}