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Dan Gohmanf17a25c2007-07-18 16:29:46 +00001; This testcase ensures that redundant loads are eliminated when they should
2; be. All RL variables (redundant loads) should be eliminated.
3;
4; RUN: llvm-upgrade < %s | llvm-as | opt -load-vn -gcse | llvm-dis | not grep %RL
5;
6int "test1"(int* %P) {
7 %A = load int* %P
8 %RL = load int* %P
9 %C = add int %A, %RL
10 ret int %C
11}
12
13int "test2"(int* %P) {
14 %A = load int* %P
15 br label %BB2
16BB2:
17 br label %BB3
18BB3:
19 %RL = load int* %P
20 %B = add int %A, %RL
21 ret int %B
22}
23