diff options
| author | Chris Lattner <sabre@nondot.org> | 2010-06-14 19:45:43 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-06-14 19:45:43 +0000 |
| commit | e58867e55e472d81bbf5b1d26310a5b3918d2fb6 (patch) | |
| tree | 923c53da4c118bdfa4116816dc23efd184ab8440 /test | |
| parent | 12b8bc1b01c53d08d4d2774407035fd483577d7c (diff) | |
| download | llvm-e58867e55e472d81bbf5b1d26310a5b3918d2fb6.tar.gz llvm-e58867e55e472d81bbf5b1d26310a5b3918d2fb6.tar.bz2 llvm-e58867e55e472d81bbf5b1d26310a5b3918d2fb6.tar.xz | |
jump threading can't split a critical edge from an indirectbr. This
fixes PR7356.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105950 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/JumpThreading/crash.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/Transforms/JumpThreading/crash.ll b/test/Transforms/JumpThreading/crash.ll index 21620bef9c..378c51a44a 100644 --- a/test/Transforms/JumpThreading/crash.ll +++ b/test/Transforms/JumpThreading/crash.ll @@ -341,3 +341,25 @@ if.end12: ; preds = %if.then, %lbl_51 ret void } + + +; PR7356 +define i32 @test13(i32* %P, i8* %Ptr) { +entry: + indirectbr i8* %Ptr, [label %BrBlock, label %B2] + +B2: + store i32 4, i32 *%P + br label %BrBlock + +BrBlock: + %L = load i32* %P + %C = icmp eq i32 %L, 42 + br i1 %C, label %T, label %F + +T: + ret i32 123 +F: + ret i32 1422 +} + |