| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | |
| ; RUN: llc < %s -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 | FileCheck %s | |
| ; RUN: llc < %s -mtriple=thumb-eabi | FileCheck %s -check-prefix=THUMB1 | |
| define i32 @f1(i32 %a) { | |
| ; CHECK-LABEL: f1: | |
| ; CHECK: @ %bb.0: | |
| ; CHECK-NEXT: ror.w r0, r0, #22 | |
| ; CHECK-NEXT: bx lr | |
| ; | |
| ; THUMB1-LABEL: f1: | |
| ; THUMB1: @ %bb.0: | |
| ; THUMB1-NEXT: movs r1, #22 | |
| ; THUMB1-NEXT: rors r0, r1 | |
| ; THUMB1-NEXT: bx lr | |
| %l8 = shl i32 %a, 10 | |
| %r8 = lshr i32 %a, 22 | |
| %tmp = or i32 %l8, %r8 | |
| ret i32 %tmp | |
| } | |
| define i32 @f2(i32 %v, i32 %nbits) { | |
| ; CHECK-LABEL: f2: | |
| ; CHECK: @ %bb.0: @ %entry | |
| ; CHECK-NEXT: rors r0, r1 | |
| ; CHECK-NEXT: bx lr | |
| ; | |
| ; THUMB1-LABEL: f2: | |
| ; THUMB1: @ %bb.0: @ %entry | |
| ; THUMB1-NEXT: rors r0, r1 | |
| ; THUMB1-NEXT: bx lr | |
| 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 | |
| } |