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author | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2010-12-09 17:32:30 +0000 |
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committer | Bruno Cardoso Lopes <bruno.cardoso@gmail.com> | 2010-12-09 17:32:30 +0000 |
commit | 908b6ddad6dac40c4c0453d690f0db9422b48b10 (patch) | |
tree | 7908da8429c8e1c18f1dd588d1f6667bba51df5a /test/CodeGen/Mips/rotate.ll | |
parent | 90c595425bdc47563714d6ed13f6e9151552ceae (diff) | |
download | external_llvm-908b6ddad6dac40c4c0453d690f0db9422b48b10.zip external_llvm-908b6ddad6dac40c4c0453d690f0db9422b48b10.tar.gz external_llvm-908b6ddad6dac40c4c0453d690f0db9422b48b10.tar.bz2 |
Add ROTR and ROTRV mips32 instructions. Patch by Akira Hatanaka
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121377 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Mips/rotate.ll')
-rw-r--r-- | test/CodeGen/Mips/rotate.ll | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/test/CodeGen/Mips/rotate.ll b/test/CodeGen/Mips/rotate.ll new file mode 100644 index 0000000..e7dc309 --- /dev/null +++ b/test/CodeGen/Mips/rotate.ll @@ -0,0 +1,40 @@ +; RUN: llc -march=mips -mcpu=4ke < %s | FileCheck %s + +; CHECK: rotrv $2, $4, $2 +define i32 @rot0(i32 %a, i32 %b) nounwind readnone { +entry: + %shl = shl i32 %a, %b + %sub = sub i32 32, %b + %shr = lshr i32 %a, %sub + %or = or i32 %shr, %shl + ret i32 %or +} + +; CHECK: rotr $2, $4, 22 +define i32 @rot1(i32 %a) nounwind readnone { +entry: + %shl = shl i32 %a, 10 + %shr = lshr i32 %a, 22 + %or = or i32 %shl, %shr + ret i32 %or +} + +; CHECK: rotrv $2, $4, $5 +define i32 @rot2(i32 %a, i32 %b) nounwind readnone { +entry: + %shr = lshr i32 %a, %b + %sub = sub i32 32, %b + %shl = shl i32 %a, %sub + %or = or i32 %shl, %shr + ret i32 %or +} + +; CHECK: rotr $2, $4, 10 +define i32 @rot3(i32 %a) nounwind readnone { +entry: + %shr = lshr i32 %a, 10 + %shl = shl i32 %a, 22 + %or = or i32 %shr, %shl + ret i32 %or +} + |