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| author | Chris Lattner <sabre@nondot.org> | 2011-01-03 03:33:47 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2011-01-03 03:33:47 +0000 |
| commit | 0446bb23f89f59a4de1a2c037edc60e4e31e8f75 (patch) | |
| tree | 272dbdb8454d92ed358fcc6e7a6cf6aeef8aff6c | |
| parent | 4cb365414f1d970a9de2300c19ec7af9c2a17fd7 (diff) | |
| download | bcm5719-llvm-0446bb23f89f59a4de1a2c037edc60e4e31e8f75.tar.gz bcm5719-llvm-0446bb23f89f59a4de1a2c037edc60e4e31e8f75.zip | |
add a testcase for readonly call CSE
llvm-svn: 122730
| -rw-r--r-- | llvm/test/Transforms/EarlyCSE/basic.ll | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/llvm/test/Transforms/EarlyCSE/basic.ll b/llvm/test/Transforms/EarlyCSE/basic.ll index a761ef764c6..6d772599b36 100644 --- a/llvm/test/Transforms/EarlyCSE/basic.ll +++ b/llvm/test/Transforms/EarlyCSE/basic.ll @@ -75,3 +75,15 @@ F: ; CHECK: F: ; CHECK: ret i32 %Diff } + +declare i32 @func(i32 *%P) readonly + +;; Simple call CSE'ing. +; CHECK: @test5 +define i32 @test5(i32 *%P) { + %V1 = call i32 @func(i32* %P) + %V2 = call i32 @func(i32* %P) + %Diff = sub i32 %V1, %V2 + ret i32 %Diff + ; CHECK: ret i32 0 +} |
