| ; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s |
| ; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s -check-prefix=THUMB1 |
| |
| ; CHECK-LABEL: f1: |
| ; CHECK: ror.w r0, r0, #22 |
| define i32 @f1(i32 %a) { |
| %l8 = shl i32 %a, 10 |
| %r8 = lshr i32 %a, 22 |
| %tmp = or i32 %l8, %r8 |
| ret i32 %tmp |
| } |
| |
| ; CHECK-LABEL: f2: |
| ; CHECK-NOT: and |
| ; CHECK: ror |
| ; THUMB1: f2 |
| ; THUMB1: and |
| define i32 @f2(i32 %v, i32 %nbits) { |
| entry: |
| %and = and i32 %nbits, 31 |
| %shr = lshr i32 %v, %and |
| %sub = sub i32 32, %and |
| %shl = shl i32 %v, %sub |
| %or = or i32 %shl, %shr |
| ret i32 %or |
| } |