From fe386c4759cce2ea3eb2e664f27ee391b8acb37b Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Wed, 6 Oct 2004 03:26:38 +0000 Subject: [PATCH] When tail duplicating these functions, the add instruction should not be duplicated, even though the block it is in is duplicated. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16757 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/Transforms/TailDup/MergeTest.ll | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 test/Transforms/TailDup/MergeTest.ll diff --git a/test/Transforms/TailDup/MergeTest.ll b/test/Transforms/TailDup/MergeTest.ll new file mode 100644 index 00000000000..ef6fe0729ee --- /dev/null +++ b/test/Transforms/TailDup/MergeTest.ll @@ -0,0 +1,31 @@ +; RUN: llvm-as < %s | opt -tailduplicate | llvm-dis | grep add | not grep uses=1 + +int %test1(bool %C, int %A, int* %P) { +entry: + br bool %C, label %L1, label %L2 + +L1: + store int 1, int* %P + br label %L2 + +L2: + %X = add int %A, 17 + ret int %X +} + +int %test2(bool %C, int %A, int* %P) { +entry: + br bool %C, label %L1, label %L2 + +L1: + store int 1, int* %P + br label %L3 + +L2: + store int 7, int* %P + br label %L3 +L3: + %X = add int %A, 17 + ret int %X +} + -- 2.11.0