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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-04-29 21:22:56 +0000 |
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| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-04-29 21:22:56 +0000 |
| commit | 9ebf57ae132369248c885a90bc3dd5e3cf589247 (patch) | |
| tree | cbb5e86ca56019e41913494c4ae9a106e5c424dc /test/CodeGen/ARM/fast-isel-redefinition.ll | |
| parent | bd5426a4f263eca7893fc54775d6cd86e729e100 (diff) | |
| download | llvm-9ebf57ae132369248c885a90bc3dd5e3cf589247.tar.gz llvm-9ebf57ae132369248c885a90bc3dd5e3cf589247.tar.bz2 llvm-9ebf57ae132369248c885a90bc3dd5e3cf589247.tar.xz | |
Re-committing r130454, which does not in fact break anything.
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@130539 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ARM/fast-isel-redefinition.ll')
| -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 +} |