xref: /aosp_15_r20/external/llvm/test/CodeGen/Thumb2/thumb2-ror.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=thumb-eabi %s -o - | FileCheck %s -check-prefix=THUMB1
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1:
5*9880d681SAndroid Build Coastguard Worker; CHECK: 	ror.w	r0, r0, #22
6*9880d681SAndroid Build Coastguard Workerdefine i32 @f1(i32 %a) {
7*9880d681SAndroid Build Coastguard Worker    %l8 = shl i32 %a, 10
8*9880d681SAndroid Build Coastguard Worker    %r8 = lshr i32 %a, 22
9*9880d681SAndroid Build Coastguard Worker    %tmp = or i32 %l8, %r8
10*9880d681SAndroid Build Coastguard Worker    ret i32 %tmp
11*9880d681SAndroid Build Coastguard Worker}
12*9880d681SAndroid Build Coastguard Worker
13*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2:
14*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: and
15*9880d681SAndroid Build Coastguard Worker; CHECK: ror
16*9880d681SAndroid Build Coastguard Worker; THUMB1: f2
17*9880d681SAndroid Build Coastguard Worker; THUMB1: and
18*9880d681SAndroid Build Coastguard Workerdefine i32 @f2(i32 %v, i32 %nbits) {
19*9880d681SAndroid Build Coastguard Workerentry:
20*9880d681SAndroid Build Coastguard Worker  %and = and i32 %nbits, 31
21*9880d681SAndroid Build Coastguard Worker  %shr = lshr i32 %v, %and
22*9880d681SAndroid Build Coastguard Worker  %sub = sub i32 32, %and
23*9880d681SAndroid Build Coastguard Worker  %shl = shl i32 %v, %sub
24*9880d681SAndroid Build Coastguard Worker  %or = or i32 %shl, %shr
25*9880d681SAndroid Build Coastguard Worker  ret i32 %or
26*9880d681SAndroid Build Coastguard Worker}
27