xref: /llvm-project/llvm/test/CodeGen/ARM/load-store-pair-volatile.ll (revision 1e49670b31e9bf79fc9d0639dcb3a71f4c7f2059)
1; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
2; RUN: llc -mtriple=arm-none-eabi -stop-after=finalize-isel < %s | FileCheck %s
3
4define void @test(ptr %vol_one, ptr %p_in, ptr %p_out, i32 %n) {
5  ; CHECK-LABEL: name: test
6  ; CHECK: bb.0.entry:
7  ; CHECK-NEXT:   liveins: $r0, $r1, $r2
8  ; CHECK-NEXT: {{  $}}
9  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:gpr = COPY $r2
10  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:gpr = COPY $r1
11  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:gpr = COPY $r0
12  ; CHECK-NEXT:   [[LDRi12_:%[0-9]+]]:gpr = LDRi12 [[COPY1]], 0, 14 /* CC::al */, $noreg :: (load (s32) from %ir.p_in)
13  ; CHECK-NEXT:   STRi12 killed [[LDRi12_]], [[COPY2]], 0, 14 /* CC::al */, $noreg :: (volatile store (s32) into %ir.vol_one)
14  ; CHECK-NEXT:   [[LDRi12_1:%[0-9]+]]:gpr = LDRi12 [[COPY2]], 4, 14 /* CC::al */, $noreg :: (volatile load (s32) from %ir.vol_two)
15  ; CHECK-NEXT:   STRi12 killed [[LDRi12_1]], [[COPY]], 0, 14 /* CC::al */, $noreg :: (store (s32) into %ir.p_out)
16  ; CHECK-NEXT:   MOVPCLR 14 /* CC::al */, $noreg
17entry:
18  %vol_two = getelementptr inbounds i8, ptr %vol_one, i32 4
19  %a = load float, ptr %p_in, align 4
20  store volatile float %a, ptr %vol_one, align 4
21  %b = load volatile float, ptr %vol_two, align 4
22  store float %b, ptr %p_out, align 4
23  ret void
24}
25