From 6ab19ed78d5a61869a9ebaf3b74ce5a07382a89f Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 1 Nov 2007 02:30:35 +0000 Subject: Fix InstCombine/2007-10-31-StringCrash.ll by removing an obvious (in hindsight) infinite recursion. Simplify the code. llvm-svn: 43597 --- .../InstCombine/2007-10-31-StringCrash.ll | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 llvm/test/Transforms/InstCombine/2007-10-31-StringCrash.ll (limited to 'llvm/test/Transforms/InstCombine/2007-10-31-StringCrash.ll') diff --git a/llvm/test/Transforms/InstCombine/2007-10-31-StringCrash.ll b/llvm/test/Transforms/InstCombine/2007-10-31-StringCrash.ll new file mode 100644 index 00000000000..6ba07e8a5a1 --- /dev/null +++ b/llvm/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* ; [#uses=1] + %tmp2 = load i32* %tmp1, align 4 ; [#uses=1] + %tmp3 = icmp ne i32 %tmp2, 0 ; [#uses=1] + %tmp34 = zext i1 %tmp3 to i8 ; [#uses=1] + %toBool = icmp ne i8 %tmp34, 0 ; [#uses=1] + br i1 %toBool, label %cond_true, label %return + +cond_true: ; preds = %entry + ret void + +return: ; preds = %entry + ret void +} -- cgit v1.2.3