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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6965 91177308-0d34-0410-b5e6-96231b3b80d8
24 lines
441 B
LLVM
24 lines
441 B
LLVM
; This testcase ensures that redundant loads are eliminated when they should
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; be. All RL variables (redundant loads) should be eliminated.
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;
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; RUN: as < %s | opt -load-vn -gcse | dis | not grep %RL
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;
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int "test1"(int* %P) {
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%A = load int* %P
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%RL = load int* %P
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%C = add int %A, %RL
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ret int %C
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}
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int "test2"(int* %P) {
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%A = load int* %P
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br label %BB2
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BB2:
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br label %BB3
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BB3:
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%RL = load int* %P
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%B = add int %A, %RL
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ret int %B
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}
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