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Diffstat (limited to 'test/Transforms/TailDup/MergeTest.ll')
| -rw-r--r-- | test/Transforms/TailDup/MergeTest.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/Transforms/TailDup/MergeTest.ll b/test/Transforms/TailDup/MergeTest.ll new file mode 100644 index 0000000000000..0a3ab6d96216c --- /dev/null +++ b/test/Transforms/TailDup/MergeTest.ll @@ -0,0 +1,27 @@ +; RUN: llvm-as < %s | opt -tailduplicate -taildup-threshold=2 | llvm-dis | grep add | not grep uses=1 + +define i32 @test1(i1 %C, i32 %A, i32* %P) { +entry: + br i1 %C, label %L1, label %L2 +L1: ; preds = %entry + store i32 1, i32* %P + br label %L2 +L2: ; preds = %L1, %entry + %X = add i32 %A, 17 ; <i32> [#uses=1] + ret i32 %X +} + +define i32 @test2(i1 %C, i32 %A, i32* %P) { +entry: + br i1 %C, label %L1, label %L2 +L1: ; preds = %entry + store i32 1, i32* %P + br label %L3 +L2: ; preds = %entry + store i32 7, i32* %P + br label %L3 +L3: ; preds = %L2, %L1 + %X = add i32 %A, 17 ; <i32> [#uses=1] + ret i32 %X +} + |