diff options
Diffstat (limited to 'test/CodeGen/ARM/sxt_rot.ll')
| -rw-r--r-- | test/CodeGen/ARM/sxt_rot.ll | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/sxt_rot.ll b/test/CodeGen/ARM/sxt_rot.ll new file mode 100644 index 0000000..bf62d08 --- /dev/null +++ b/test/CodeGen/ARM/sxt_rot.ll @@ -0,0 +1,22 @@ +; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | \ +; RUN: grep sxtb | wc -l | grep 1 +; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | \ +; RUN: grep sxtab | wc -l | grep 1 + +define i8 @test1(i32 %A) sext { + %B = lshr i32 %A, 8 + %C = shl i32 %A, 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, 8 + %C = shl i32 %A, 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 +} |