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New testcase distilled from a large chunk of code Misha sent me.

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llvm-svn: 22347
This commit is contained in:
Chris Lattner 2005-07-07 20:39:45 +00:00
parent 262477edde
commit 571f19ea3e
1 changed files with 13 additions and 0 deletions
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test/Regression/Transforms/InstCombine/2005-07-07-DeadPHILoop.ll Normal file
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; RUN: llvm-as < %s | opt -instcombine -disable-output
; This example caused instcombine to spin into an infinite loop.
void %test(int *%P) {
ret void
Dead:
%X = phi int [%Y, %Dead]
%Y = div int %X, 10
store int %Y, int* %P
br label %Dead
}