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| author | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
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| committer | Shih-wei Liao <sliao@google.com> | 2010-02-10 11:10:31 -0800 |
| commit | e264f62ca09a8f65c87a46d562a4d0f9ec5d457e (patch) | |
| tree | 59e3d57ef656cef79afa708ae0a3daf25cd91fcf /test/CodeGen/PowerPC/rotl-2.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/PowerPC/rotl-2.ll')
| -rw-r--r-- | test/CodeGen/PowerPC/rotl-2.ll | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/rotl-2.ll b/test/CodeGen/PowerPC/rotl-2.ll new file mode 100644 index 0000000..d32ef59 --- /dev/null +++ b/test/CodeGen/PowerPC/rotl-2.ll @@ -0,0 +1,38 @@ +; RUN: llc < %s -march=ppc32 | grep rlwinm | count 4 +; RUN: llc < %s -march=ppc32 | grep rlwnm | count 2 +; RUN: llc < %s -march=ppc32 | not grep or + +define i32 @rotl32(i32 %A, i8 %Amt) nounwind { + %shift.upgrd.1 = zext i8 %Amt to i32 ; <i32> [#uses=1] + %B = shl i32 %A, %shift.upgrd.1 ; <i32> [#uses=1] + %Amt2 = sub i8 32, %Amt ; <i8> [#uses=1] + %shift.upgrd.2 = zext i8 %Amt2 to i32 ; <i32> [#uses=1] + %C = lshr i32 %A, %shift.upgrd.2 ; <i32> [#uses=1] + %D = or i32 %B, %C ; <i32> [#uses=1] + ret i32 %D +} + +define i32 @rotr32(i32 %A, i8 %Amt) nounwind { + %shift.upgrd.3 = zext i8 %Amt to i32 ; <i32> [#uses=1] + %B = lshr i32 %A, %shift.upgrd.3 ; <i32> [#uses=1] + %Amt2 = sub i8 32, %Amt ; <i8> [#uses=1] + %shift.upgrd.4 = zext i8 %Amt2 to i32 ; <i32> [#uses=1] + %C = shl i32 %A, %shift.upgrd.4 ; <i32> [#uses=1] + %D = or i32 %B, %C ; <i32> [#uses=1] + ret i32 %D +} + +define i32 @rotli32(i32 %A) nounwind { + %B = shl i32 %A, 5 ; <i32> [#uses=1] + %C = lshr i32 %A, 27 ; <i32> [#uses=1] + %D = or i32 %B, %C ; <i32> [#uses=1] + ret i32 %D +} + +define i32 @rotri32(i32 %A) nounwind { + %B = lshr i32 %A, 5 ; <i32> [#uses=1] + %C = shl i32 %A, 27 ; <i32> [#uses=1] + %D = or i32 %B, %C ; <i32> [#uses=1] + ret i32 %D +} + |