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Test the mod/ref analysis in DSA.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12333 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Misha Brukman 2004-03-12 06:17:22 +00:00
parent 4230f40add
commit a24653cdfc
2 changed files with 27 additions and 0 deletions
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13
test/Analysis/DSGraph/2004-03-10-ElimLoad.ll Normal file
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; RUN: llvm-as < %s | opt -ds-aa -load-vn -gcse -instcombine | llvm-dis | not grep sub
void %bar(int* %p) {
ret void
}
int %foo(int* %a) {
%b = load int* %a
call void %bar(int* %a)
%d = load int* %a
%e = sub int %b, %d
ret int %e
}

14
test/Analysis/DSGraph/2004-03-10-NoElimLoad.ll Normal file
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; RUN: llvm-as < %s | opt -ds-aa -load-vn -gcse -instcombine | llvm-dis | grep sub
void %bar(int* %p) {
store int 15, int* %p
ret void
}
int %foo(int* %a) {
%b = load int* %a
call void %bar(int* %a)
%d = load int* %a
%e = sub int %b, %d
ret int %e
}