diff options
author | Duncan Sands <baldrick@free.fr> | 2012-01-11 12:20:08 +0000 |
---|---|---|
committer | Duncan Sands <baldrick@free.fr> | 2012-01-11 12:20:08 +0000 |
commit | 1876abe63edf0380aee3d0f3ad9cace3f7e6a042 (patch) | |
tree | 1403d07800bc0d0e70c5296610c2f4695f6c87ee /test | |
parent | e4bc80a14be77c232e1c4e1f30308a72d5cec05a (diff) | |
download | external_llvm-1876abe63edf0380aee3d0f3ad9cace3f7e6a042.zip external_llvm-1876abe63edf0380aee3d0f3ad9cace3f7e6a042.tar.gz external_llvm-1876abe63edf0380aee3d0f3ad9cace3f7e6a042.tar.bz2 |
Don't try to create a GEP when the pointee type is unsized (such GEPs
are invalid). Fixes a crash on array1.C from the GCC testsuite when
compiled with dragonegg.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147946 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r-- | test/Transforms/InstCombine/2012-01-11-OpaqueBitcastCrash.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/2012-01-11-OpaqueBitcastCrash.ll b/test/Transforms/InstCombine/2012-01-11-OpaqueBitcastCrash.ll new file mode 100644 index 0000000..abab9dc --- /dev/null +++ b/test/Transforms/InstCombine/2012-01-11-OpaqueBitcastCrash.ll @@ -0,0 +1,12 @@ +; RUN: opt < %s -instcombine -disable-output + +%opaque_struct = type opaque + +@G = external global [0 x %opaque_struct] + +declare void @foo(%opaque_struct*) + +define void @bar() { + call void @foo(%opaque_struct* bitcast ([0 x %opaque_struct]* @G to %opaque_struct*)) + ret void +} |