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| author | Evan Cheng <evan.cheng@apple.com> | 2009-10-22 00:40:00 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-10-22 00:40:00 +0000 |
| commit | 0f55e9ce2e1c451cfc5b7978c3bbe46b2def4c48 (patch) | |
| tree | cdb50c4d775ccdf34632cd587a1d04a06e580a8f /llvm/test/CodeGen/ARM/sbfx.ll | |
| parent | 6746d43a3fcf964b2254ee3983b22ca71e814a34 (diff) | |
| download | bcm5719-llvm-0f55e9ce2e1c451cfc5b7978c3bbe46b2def4c48.tar.gz bcm5719-llvm-0f55e9ce2e1c451cfc5b7978c3bbe46b2def4c48.zip | |
Don't generate sbfx / ubfx with negative lsb field. Patch by David Conrad.
llvm-svn: 84813
Diffstat (limited to 'llvm/test/CodeGen/ARM/sbfx.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/sbfx.ll | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/sbfx.ll b/llvm/test/CodeGen/ARM/sbfx.ll index 923f52a8686..6f1d87d2c17 100644 --- a/llvm/test/CodeGen/ARM/sbfx.ll +++ b/llvm/test/CodeGen/ARM/sbfx.ll @@ -35,3 +35,13 @@ entry: %tmp2 = lshr i32 %tmp, 29 ret i32 %tmp2 } + +define i32 @f5(i32 %a) { +entry: +; CHECK: f5: +; CHECK-NOT: sbfx +; CHECK: bx + %tmp = shl i32 %a, 3 + %tmp2 = ashr i32 %tmp, 1 + ret i32 %tmp2 +} |
