xref: /llvm-project/llvm/test/CodeGen/ARM/load-store-pair-volatile.ll (revision 1e49670b31e9bf79fc9d0639dcb3a71f4c7f2059)
1*1e49670bSOliver Stannard; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 5
2*1e49670bSOliver Stannard; RUN: llc -mtriple=arm-none-eabi -stop-after=finalize-isel < %s | FileCheck %s
3*1e49670bSOliver Stannard
4*1e49670bSOliver Stannarddefine void @test(ptr %vol_one, ptr %p_in, ptr %p_out, i32 %n) {
5*1e49670bSOliver Stannard  ; CHECK-LABEL: name: test
6*1e49670bSOliver Stannard  ; CHECK: bb.0.entry:
7*1e49670bSOliver Stannard  ; CHECK-NEXT:   liveins: $r0, $r1, $r2
8*1e49670bSOliver Stannard  ; CHECK-NEXT: {{  $}}
9*1e49670bSOliver Stannard  ; CHECK-NEXT:   [[COPY:%[0-9]+]]:gpr = COPY $r2
10*1e49670bSOliver Stannard  ; CHECK-NEXT:   [[COPY1:%[0-9]+]]:gpr = COPY $r1
11*1e49670bSOliver Stannard  ; CHECK-NEXT:   [[COPY2:%[0-9]+]]:gpr = COPY $r0
12*1e49670bSOliver Stannard  ; CHECK-NEXT:   [[LDRi12_:%[0-9]+]]:gpr = LDRi12 [[COPY1]], 0, 14 /* CC::al */, $noreg :: (load (s32) from %ir.p_in)
13*1e49670bSOliver Stannard  ; CHECK-NEXT:   STRi12 killed [[LDRi12_]], [[COPY2]], 0, 14 /* CC::al */, $noreg :: (volatile store (s32) into %ir.vol_one)
14*1e49670bSOliver Stannard  ; CHECK-NEXT:   [[LDRi12_1:%[0-9]+]]:gpr = LDRi12 [[COPY2]], 4, 14 /* CC::al */, $noreg :: (volatile load (s32) from %ir.vol_two)
15*1e49670bSOliver Stannard  ; CHECK-NEXT:   STRi12 killed [[LDRi12_1]], [[COPY]], 0, 14 /* CC::al */, $noreg :: (store (s32) into %ir.p_out)
16*1e49670bSOliver Stannard  ; CHECK-NEXT:   MOVPCLR 14 /* CC::al */, $noreg
17*1e49670bSOliver Stannardentry:
18*1e49670bSOliver Stannard  %vol_two = getelementptr inbounds i8, ptr %vol_one, i32 4
19*1e49670bSOliver Stannard  %a = load float, ptr %p_in, align 4
20*1e49670bSOliver Stannard  store volatile float %a, ptr %vol_one, align 4
21*1e49670bSOliver Stannard  %b = load volatile float, ptr %vol_two, align 4
22*1e49670bSOliver Stannard  store float %b, ptr %p_out, align 4
23*1e49670bSOliver Stannard  ret void
24*1e49670bSOliver Stannard}
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