1 ; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s 2 ; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s -check-prefix=THUMB1 3 4 ; CHECK-LABEL: f1: 5 ; CHECK: ror.w r0, r0, #22 6 define i32 @f1(i32 %a) { 7 %l8 = shl i32 %a, 10 8 %r8 = lshr i32 %a, 22 9 %tmp = or i32 %l8, %r8 10 ret i32 %tmp 11 } 12 13 ; CHECK-LABEL: f2: 14 ; CHECK-NOT: and 15 ; CHECK: ror 16 ; THUMB1: f2 17 ; THUMB1: and 18 define i32 @f2(i32 %v, i32 %nbits) { 19 entry: 20 %and = and i32 %nbits, 31 21 %shr = lshr i32 %v, %and 22 %sub = sub i32 32, %and 23 %shl = shl i32 %v, %sub 24 %or = or i32 %shl, %shr 25 ret i32 %or 26 } 27
