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| author | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
|---|---|---|
| committer | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
| commit | e264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch) | |
| tree | 59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/CodeGen/ARM/uxt_rot.ll | |
| download | external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.zip external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.gz external_llvm-e264f62ca09a8f65c87a46d562a4d0f9ec5d457e.tar.bz2 | |
Check in LLVM r95781.
Diffstat (limited to 'test/CodeGen/ARM/uxt_rot.ll')
| -rw-r--r-- | test/CodeGen/ARM/uxt_rot.ll | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/uxt_rot.ll b/test/CodeGen/ARM/uxt_rot.ll new file mode 100644 index 0000000..6307795 --- /dev/null +++ b/test/CodeGen/ARM/uxt_rot.ll @@ -0,0 +1,24 @@ +; RUN: llc < %s -march=arm -mattr=+v6 | grep uxtb | count 1 +; RUN: llc < %s -march=arm -mattr=+v6 | grep uxtab | count 1 +; RUN: llc < %s -march=arm -mattr=+v6 | grep uxth | count 1 + +define i8 @test1(i32 %A.u) zeroext { + %B.u = trunc i32 %A.u to i8 + ret i8 %B.u +} + +define i32 @test2(i32 %A.u, i32 %B.u) zeroext { + %C.u = trunc i32 %B.u to i8 + %D.u = zext i8 %C.u to i32 + %E.u = add i32 %A.u, %D.u + ret i32 %E.u +} + +define i32 @test3(i32 %A.u) zeroext { + %B.u = lshr i32 %A.u, 8 + %C.u = shl i32 %A.u, 24 + %D.u = or i32 %B.u, %C.u + %E.u = trunc i32 %D.u to i16 + %F.u = zext i16 %E.u to i32 + ret i32 %F.u +} |