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Test the mod/ref analysis in DSA. 

llvm-svn: 12333
This commit is contained in:
Misha Brukman 2004-03-12 06:17:22 +00:00
parent a447feac33
commit 8340686112
2 changed files with 27 additions and 0 deletions
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13
llvm/test/Regression/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
llvm/test/Regression/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
}