diff options
Diffstat (limited to 'llvm/test/CodeGen/ARM/sxt_rot.ll')
| -rw-r--r-- | llvm/test/CodeGen/ARM/sxt_rot.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/ARM/sxt_rot.ll b/llvm/test/CodeGen/ARM/sxt_rot.ll new file mode 100644 index 00000000000..1019b94369f --- /dev/null +++ b/llvm/test/CodeGen/ARM/sxt_rot.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | llc -march=arm && +; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 && +; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | grep "sxtb" | wc -l | grep 1 && +; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | grep "sxtab" | wc -l | grep 1 + +define i8 %test1(i32 %A) sext { + %B = lshr i32 %A, i8 8 + %C = shl i32 %A, i8 24 + %D = or i32 %B, %C + %E = trunc i32 %D to i8 + ret i8 %E +} + +define i32 %test2(i32 %A, i32 %X) sext { + %B = lshr i32 %A, i8 8 + %C = shl i32 %A, i8 24 + %D = or i32 %B, %C + %E = trunc i32 %D to i8 + %F = sext i8 %E to i32 + %G = add i32 %F, %X + ret i32 %G +} |
