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-rw-r--r--llvm/test/Transforms/DCE/basic.ll11
1 files changed, 11 insertions, 0 deletions
diff --git a/llvm/test/Transforms/DCE/basic.ll b/llvm/test/Transforms/DCE/basic.ll
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index 00000000000..c2a56594c91
--- /dev/null
+++ b/llvm/test/Transforms/DCE/basic.ll
@@ -0,0 +1,11 @@
+; RUN: opt -dce -S < %s | FileCheck %s
+; RUN: opt -passes=dce -S < %s | FileCheck %s
+
+; CHECK-LABEL: @test
+define void @test() {
+; CHECK-NOT: add
+ %add = add i32 1, 2
+; CHECK-NOT: sub
+ %sub = sub i32 %add, 1
+ ret void
+}
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