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| author | Duncan Sands <baldrick@free.fr> | 2012-06-29 13:25:06 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2012-06-29 13:25:06 +0000 |
| commit | 96d2eff5c6713a2c5fd2cd61545e49637c332975 (patch) | |
| tree | 2f167f6caf1cde3d398501db39d6a49dc98a83f4 /test/Transforms/Reassociate | |
| parent | 06cb8ed00696eb14d1b831921452e50ec0568ea2 (diff) | |
| download | llvm-96d2eff5c6713a2c5fd2cd61545e49637c332975.tar.gz llvm-96d2eff5c6713a2c5fd2cd61545e49637c332975.tar.bz2 llvm-96d2eff5c6713a2c5fd2cd61545e49637c332975.tar.xz | |
Fix a reassociate crash on sozefx when compiling with dragonegg+gcc-4.7 due to
the optimizers producing a multiply expression with more multiplications than
the original (!).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159426 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/Reassociate')
| -rw-r--r-- | test/Transforms/Reassociate/crash.ll | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/test/Transforms/Reassociate/crash.ll b/test/Transforms/Reassociate/crash.ll index a99c844f01..ce586e15fb 100644 --- a/test/Transforms/Reassociate/crash.ll +++ b/test/Transforms/Reassociate/crash.ll @@ -133,3 +133,14 @@ define i8 @f0(i8 %x) { %t7 = mul i8 %t6, %t0 ret i8 %t7 } + +define i32 @sozefx_(i32 %x, i32 %y) { + %t0 = sub i32 %x, %x + %t1 = mul i32 %t0, %t0 + %t2 = mul i32 %x, %t0 + %t3 = mul i32 %t1, %t1 + %t4 = add i32 %t2, %t3 + %t5 = mul i32 %x, %y + %t6 = add i32 %t4, %t5 + ret i32 %t6 +} |