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Haicheng Wu
2956373588
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
25 lines
850 B
LLVM
25 lines
850 B
LLVM
; RUN: opt -instcombine %s -S | FileCheck %s
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; CHECK-LABEL: patatino
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; CHECK-NEXT: ret <8 x i64*> undef
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define <8 x i64*> @patatino() {
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%el = getelementptr i64, <8 x i64*> undef, <8 x i64> undef
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ret <8 x i64*> %el
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}
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; CHECK-LABEL: patatino2
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; CHECK-NEXT: ret <8 x i64*> undef
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define <8 x i64*> @patatino2() {
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%el = getelementptr inbounds i64, i64* undef, <8 x i64> undef
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ret <8 x i64*> %el
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}
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@block = global [64 x [8192 x i8]] zeroinitializer, align 1
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; CHECK-LABEL:vectorindex
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; 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>)
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define <2 x i8*> @vectorindex() {
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%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
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ret <2 x i8*> %1
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}
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