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Diffstat (limited to 'release_23/test/Analysis/BasicAA/licmtest.ll')
| -rw-r--r-- | release_23/test/Analysis/BasicAA/licmtest.ll | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/release_23/test/Analysis/BasicAA/licmtest.ll b/release_23/test/Analysis/BasicAA/licmtest.ll deleted file mode 100644 index e65a453d0f32..000000000000 --- a/release_23/test/Analysis/BasicAA/licmtest.ll +++ /dev/null @@ -1,42 +0,0 @@ -; Test that LICM uses basicaa to do alias analysis, which is capable of -; disambiguating some obvious cases. If LICM is able to disambiguate the -; two pointers, then the load should be hoisted, and the store sunk. Thus -; the loop becomes empty and can be deleted by ADCE. - -; RUN: llvm-as < %s | opt -basicaa -licm --adce | llvm-dis | not grep Loop - -@A = global i32 7 ; <i32*> [#uses=3] -@B = global i32 8 ; <i32*> [#uses=2] -@C = global [2 x i32] [ i32 4, i32 8 ] ; <[2 x i32]*> [#uses=2] - -define i32 @test(i1 %c) { - %Atmp = load i32* @A ; <i32> [#uses=2] - br label %Loop - -Loop: ; preds = %Loop, %0 - %ToRemove = load i32* @A ; <i32> [#uses=1] - store i32 %Atmp, i32* @B - br i1 %c, label %Out, label %Loop - -Out: ; preds = %Loop - %X = sub i32 %ToRemove, %Atmp ; <i32> [#uses=1] - ret i32 %X -} - -define i32 @test2(i1 %c) { - br label %Loop - -Loop: ; preds = %Loop, %0 - %AVal = load i32* @A ; <i32> [#uses=2] - %C0 = getelementptr [2 x i32]* @C, i64 0, i64 0 ; <i32*> [#uses=1] - store i32 %AVal, i32* %C0 - %BVal = load i32* @B ; <i32> [#uses=2] - %C1 = getelementptr [2 x i32]* @C, i64 0, i64 1 ; <i32*> [#uses=1] - store i32 %BVal, i32* %C1 - br i1 %c, label %Out, label %Loop - -Out: ; preds = %Loop - %X = sub i32 %AVal, %BVal ; <i32> [#uses=1] - ret i32 %X -} - |