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| author | Chris Lattner <sabre@nondot.org> | 2010-04-10 18:26:57 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-04-10 18:26:57 +0000 |
| commit | 9ae28b141f1c8f9f3007dcb90245efc550a7681c (patch) | |
| tree | efb48f070af790626e83bcc207b20bc6d30022bd /llvm/test/Transforms/JumpThreading | |
| parent | b9801ffcb530dc89c90e146a6c2aae4387e5e852 (diff) | |
| download | bcm5719-llvm-9ae28b141f1c8f9f3007dcb90245efc550a7681c.tar.gz bcm5719-llvm-9ae28b141f1c8f9f3007dcb90245efc550a7681c.zip | |
fix PR6743, a case where we'd delete an instruction before using it
in some cases.
llvm-svn: 100937
Diffstat (limited to 'llvm/test/Transforms/JumpThreading')
| -rw-r--r-- | llvm/test/Transforms/JumpThreading/crash.ll | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/llvm/test/Transforms/JumpThreading/crash.ll b/llvm/test/Transforms/JumpThreading/crash.ll index c65fd1014be..21620bef9cc 100644 --- a/llvm/test/Transforms/JumpThreading/crash.ll +++ b/llvm/test/Transforms/JumpThreading/crash.ll @@ -324,3 +324,20 @@ A: ; preds = %entry call void undef(i64 ptrtoint (i8* blockaddress(@test11, %A) to i64)) nounwind unreachable } + +; PR6743 +define void @test12() nounwind ssp { +entry: + br label %lbl_51 + +lbl_51: ; preds = %if.then, %entry + %tmp3 = phi i1 [ false, %if.then ], [ undef, %entry ] ; <i1> [#uses=2] + br i1 %tmp3, label %if.end12, label %if.then + +if.then: ; preds = %lbl_51 + br i1 %tmp3, label %lbl_51, label %if.end12 + +if.end12: ; preds = %if.then, %lbl_51 + ret void +} + |
