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When constant folding GEP of GEP, do not crash if an index of

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the inner GEP is not a ConstantInt.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98359 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan Sands
2010-03-12 17:55:20 +00:00
parent 5c213dc78c
commit 890edda7c2
2 changed files with 26 additions and 1 deletions
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test/Transforms/InstCombine/gepgep.ll
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; RUN: opt < %s -instcombine -disable-output
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-linux-gnu"
@buffer = external global [64 x float]
declare void @use(i8*)
define void @f() {
call void @use(i8* getelementptr (i8* getelementptr (i8* bitcast ([64 x float]* @buffer to i8*), i64 and (i64 sub (i64 0, i64 ptrtoint ([64 x float]* @buffer to i64)), i64 63)), i64 64))
ret void
}