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| author | Haicheng Wu <haicheng@codeaurora.org> | 2017-10-28 02:27:14 +0000 |
|---|---|---|
| committer | Haicheng Wu <haicheng@codeaurora.org> | 2017-10-28 02:27:14 +0000 |
| commit | 2956373588d20b14dcfe702574e2e4a443de0718 (patch) | |
| tree | 8b099698f5274b8e82eaa14367277962d8f0f11c /test/Transforms/InstCombine/gep-vector.ll | |
| parent | f5863897ac51a4d6254a89537097e424ab35e556 (diff) | |
[ConstantFold] Fix a crash when folding a GEP that has vector index
LLVM crashes when factoring out an out-of-bound index into preceding dimension
and the preceding dimension uses vector index. Simply bail out now when this
case happens.
Differential Revision: https://reviews.llvm.org/D38677
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316824 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/Transforms/InstCombine/gep-vector.ll')
| -rw-r--r-- | test/Transforms/InstCombine/gep-vector.ll | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/test/Transforms/InstCombine/gep-vector.ll b/test/Transforms/InstCombine/gep-vector.ll index ce021bf207f..f7ed1a776f5 100644 --- a/test/Transforms/InstCombine/gep-vector.ll +++ b/test/Transforms/InstCombine/gep-vector.ll @@ -13,3 +13,12 @@ define <8 x i64*> @patatino2() { %el = getelementptr inbounds i64, i64* undef, <8 x i64> undef ret <8 x i64*> %el } + +@block = global [64 x [8192 x i8]] zeroinitializer, align 1 + +; CHECK-LABEL:vectorindex +; CHECK-NEXT: ret <2 x i8*> getelementptr inbounds ([64 x [8192 x i8]], [64 x [8192 x i8]]* @block, <2 x i64> zeroinitializer, <2 x i64> <i64 0, i64 1>, <2 x i64> <i64 8192, i64 8192>) +define <2 x i8*> @vectorindex() { + %1 = getelementptr inbounds [64 x [8192 x i8]], [64 x [8192 x i8]]* @block, i64 0, <2 x i64> <i64 0, i64 1>, i64 8192 + ret <2 x i8*> %1 +} |