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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-04-28 23:03:25 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-04-28 23:03:25 +0000 |
| commit | 2f7fcd71982678879803b96574526f0a22b3918e (patch) | |
| tree | deb0e4419eee0add23bf8818296ea6047868f08f /test/CodeGen/ARM | |
| parent | 5367b23f76e75ebb680956575346fa8c3d56780f (diff) | |
| download | llvm-2f7fcd71982678879803b96574526f0a22b3918e.tar.gz llvm-2f7fcd71982678879803b96574526f0a22b3918e.tar.bz2 llvm-2f7fcd71982678879803b96574526f0a22b3918e.tar.xz | |
Fix a rather obscure crash caused by ARM fast-isel generating code which redefines a register.
rdar://problem/9338332 .
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@130454 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ARM')
| -rw-r--r-- | test/CodeGen/ARM/fast-isel-redefinition.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/fast-isel-redefinition.ll b/test/CodeGen/ARM/fast-isel-redefinition.ll new file mode 100644 index 0000000000..262432f807 --- /dev/null +++ b/test/CodeGen/ARM/fast-isel-redefinition.ll @@ -0,0 +1,11 @@ +; RUN: llc -O0 -regalloc=linearscan | grep "ldr r0" +; This isn't exactly a useful set of command-line options, but check that it +; doesn't crash. (It was crashing because a register was getting redefined.) + +target triple = "thumbv7-apple-macosx10.6.7" + +define i32 @f(i32* %x) nounwind ssp { + %y = getelementptr inbounds i32* %x, i32 5000 + %tmp103 = load i32* %y, align 4 + ret i32 %tmp103 +} |