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Testcase for PR179

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10455 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-12-14 04:46:07 +00:00
parent 94743e4915
commit 15beaf7d65
1 changed files with 17 additions and 0 deletions
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test/Transforms/LICM/2003-12-13-VolatilePromote.ll Normal file
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; RUN: llvm-as < %s | opt -licm | llvm-dis | grep -C1 volatile | grep Loop
%X = global int 7
void %testfunc(int %i) {
br label %Loop
Loop:
%x = volatile load int* %X ; Should not promote this to a register
%x2 = add int %x, 1
store int %x2, int* %X
br bool true, label %Out, label %Loop
Out:
ret void
}