| ; RUN: llc < %s -march=arm -mattr=+v6 | \ |
| ; RUN: grep sxtb | count 2 |
| ; RUN: llc < %s -march=arm -mattr=+v6 | \ |
| ; RUN: grep sxtb | grep ror | count 1 |
| ; RUN: llc < %s -march=arm -mattr=+v6 | \ |
| ; RUN: grep sxtab | count 1 |
| |
| define i32 @test0(i8 %A) { |
| %B = sext i8 %A to i32 |
| ret i32 %B |
| } |
| |
| define i8 @test1(i32 %A) signext { |
| %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) signext { |
| %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 |
| } |