xref: /aosp_15_r20/external/llvm/test/CodeGen/ARM/msr-it-block.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumbv6m-none-eabi | FileCheck %s --check-prefix=V6M --check-prefix=CHECK
2*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumbv7m-none-eabi | FileCheck %s --check-prefix=V7M --check-prefix=CHECK
3*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=thumbv7a-none-eabi | FileCheck %s --check-prefix=V7A --check-prefix=CHECK
4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=armv7a-none-eabi   | FileCheck %s --check-prefix=V7A --check-prefix=CHECK
5*9880d681SAndroid Build Coastguard Worker
6*9880d681SAndroid Build Coastguard Worker
7*9880d681SAndroid Build Coastguard Workertarget datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
8*9880d681SAndroid Build Coastguard Workertarget triple = "armv7a-arm-none-eabi"
9*9880d681SAndroid Build Coastguard Worker
10*9880d681SAndroid Build Coastguard Workerdefine void @test_const(i32 %val) {
11*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_const:
12*9880d681SAndroid Build Coastguard Workerentry:
13*9880d681SAndroid Build Coastguard Worker  %cmp = icmp eq i32 %val, 0
14*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %write_reg, label %exit
15*9880d681SAndroid Build Coastguard Worker
16*9880d681SAndroid Build Coastguard Workerwrite_reg:
17*9880d681SAndroid Build Coastguard Worker  tail call void @llvm.write_register.i32(metadata !0, i32 0)
18*9880d681SAndroid Build Coastguard Worker  tail call void @llvm.write_register.i32(metadata !0, i32 0)
19*9880d681SAndroid Build Coastguard Worker; V6M: msr     apsr, {{r[0-9]+}}
20*9880d681SAndroid Build Coastguard Worker; V6M: msr     apsr, {{r[0-9]+}}
21*9880d681SAndroid Build Coastguard Worker; V7M: msr     apsr_nzcvq, {{r[0-9]+}}
22*9880d681SAndroid Build Coastguard Worker; V7M: msr     apsr_nzcvq, {{r[0-9]+}}
23*9880d681SAndroid Build Coastguard Worker; V7A: msr     APSR_nzcvqg, {{r[0-9]+}}
24*9880d681SAndroid Build Coastguard Worker; V7A: msr     APSR_nzcvqg, {{r[0-9]+}}
25*9880d681SAndroid Build Coastguard Worker  br label %exit
26*9880d681SAndroid Build Coastguard Worker
27*9880d681SAndroid Build Coastguard Workerexit:
28*9880d681SAndroid Build Coastguard Worker  ret void
29*9880d681SAndroid Build Coastguard Worker}
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workerdefine void @test_var(i32 %val, i32 %apsr) {
32*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: test_var:
33*9880d681SAndroid Build Coastguard Workerentry:
34*9880d681SAndroid Build Coastguard Worker  %cmp = icmp eq i32 %val, 0
35*9880d681SAndroid Build Coastguard Worker  br i1 %cmp, label %write_reg, label %exit
36*9880d681SAndroid Build Coastguard Worker
37*9880d681SAndroid Build Coastguard Workerwrite_reg:
38*9880d681SAndroid Build Coastguard Worker  tail call void @llvm.write_register.i32(metadata !0, i32 %apsr)
39*9880d681SAndroid Build Coastguard Worker  tail call void @llvm.write_register.i32(metadata !0, i32 %apsr)
40*9880d681SAndroid Build Coastguard Worker; V6M: msr     apsr, {{r[0-9]+}}
41*9880d681SAndroid Build Coastguard Worker; V6M: msr     apsr, {{r[0-9]+}}
42*9880d681SAndroid Build Coastguard Worker; V7M: msr     apsr_nzcvq, {{r[0-9]+}}
43*9880d681SAndroid Build Coastguard Worker; V7M: msr     apsr_nzcvq, {{r[0-9]+}}
44*9880d681SAndroid Build Coastguard Worker; V7A: msr     APSR_nzcvqg, {{r[0-9]+}}
45*9880d681SAndroid Build Coastguard Worker; V7A: msr     APSR_nzcvqg, {{r[0-9]+}}
46*9880d681SAndroid Build Coastguard Worker  br label %exit
47*9880d681SAndroid Build Coastguard Worker
48*9880d681SAndroid Build Coastguard Workerexit:
49*9880d681SAndroid Build Coastguard Worker  ret void
50*9880d681SAndroid Build Coastguard Worker}
51*9880d681SAndroid Build Coastguard Worker
52*9880d681SAndroid Build Coastguard Worker
53*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.write_register.i32(metadata, i32)
54*9880d681SAndroid Build Coastguard Worker
55*9880d681SAndroid Build Coastguard Worker!0 = !{!"apsr"}
56