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| author | Evan Cheng <evan.cheng@apple.com> | 2009-08-18 05:43:23 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-08-18 05:43:23 +0000 |
| commit | 51f39961c3558ee71b6323d3713e9ddd2354e099 (patch) | |
| tree | eea70023dd9e8f1cecac4d610784bcee729af243 /test/CodeGen/Thumb2/thumb2-rev.ll | |
| parent | 79e6408ad36be39c1c4d34e7e6d785d91e4f2c66 (diff) | |
| download | external_llvm-51f39961c3558ee71b6323d3713e9ddd2354e099.zip external_llvm-51f39961c3558ee71b6323d3713e9ddd2354e099.tar.gz external_llvm-51f39961c3558ee71b6323d3713e9ddd2354e099.tar.bz2 | |
Fix revsh pattern.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79318 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/Thumb2/thumb2-rev.ll')
| -rw-r--r-- | test/CodeGen/Thumb2/thumb2-rev.ll | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/test/CodeGen/Thumb2/thumb2-rev.ll b/test/CodeGen/Thumb2/thumb2-rev.ll index c1bdc38..4205ed1 100644 --- a/test/CodeGen/Thumb2/thumb2-rev.ll +++ b/test/CodeGen/Thumb2/thumb2-rev.ll @@ -8,3 +8,16 @@ define i32 @f1(i32 %a) { } declare i32 @llvm.bswap.i32(i32) nounwind readnone + +define i32 @f2(i32 %X) { +; CHECK: f2: +; CHECK: revsh r0, r0 + %tmp1 = lshr i32 %X, 8 + %tmp1.upgrd.1 = trunc i32 %tmp1 to i16 + %tmp3 = trunc i32 %X to i16 + %tmp2 = and i16 %tmp1.upgrd.1, 255 + %tmp4 = shl i16 %tmp3, 8 + %tmp5 = or i16 %tmp2, %tmp4 + %tmp5.upgrd.2 = sext i16 %tmp5 to i32 + ret i32 %tmp5.upgrd.2 +} |