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| author | Chris Lattner <sabre@nondot.org> | 2007-11-01 02:30:35 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2007-11-01 02:30:35 +0000 |
| commit | 91f04f30ba8c813f8fba8665b3166812c235dd1d (patch) | |
| tree | 5557d58beab310f7c9b8f2b9f01de2cf594498a0 /test | |
| parent | 2637686e447d0462c9bdfaeeab9d5a226889d664 (diff) | |
| download | external_llvm-91f04f30ba8c813f8fba8665b3166812c235dd1d.zip external_llvm-91f04f30ba8c813f8fba8665b3166812c235dd1d.tar.gz external_llvm-91f04f30ba8c813f8fba8665b3166812c235dd1d.tar.bz2 | |
Fix InstCombine/2007-10-31-StringCrash.ll by removing an obvious
(in hindsight) infinite recursion. Simplify the code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43597 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/Transforms/InstCombine/2007-10-31-StringCrash.ll | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2007-10-31-StringCrash.ll b/test/Transforms/InstCombine/2007-10-31-StringCrash.ll new file mode 100644 index 0000000..6ba07e8 --- /dev/null +++ b/test/Transforms/InstCombine/2007-10-31-StringCrash.ll @@ -0,0 +1,21 @@ +; RUN: llvm-as < %s | opt -instcombine -disable-output +target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" +target triple = "i686-apple-darwin8" + +declare void @__darwin_gcc3_preregister_frame_info() + +define void @_start(i32 %argc, i8** %argv, i8** %envp) { +entry: + %tmp1 = bitcast void ()* @__darwin_gcc3_preregister_frame_info to i32* ; <i32*> [#uses=1] + %tmp2 = load i32* %tmp1, align 4 ; <i32> [#uses=1] + %tmp3 = icmp ne i32 %tmp2, 0 ; <i1> [#uses=1] + %tmp34 = zext i1 %tmp3 to i8 ; <i8> [#uses=1] + %toBool = icmp ne i8 %tmp34, 0 ; <i1> [#uses=1] + br i1 %toBool, label %cond_true, label %return + +cond_true: ; preds = %entry + ret void + +return: ; preds = %entry + ret void +} |