| ; NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py |
| ; RUN: llc -O0 -mtriple=aarch64-apple-ios -verify-machineinstrs -global-isel -stop-after=legalizer %s -o - | FileCheck %s |
| |
| @_ZTIi = external global ptr |
| |
| declare i32 @foo(i32) |
| declare i32 @__gxx_personality_v0(...) |
| declare i32 @llvm.eh.typeid.for(ptr) |
| declare void @_Unwind_Resume(ptr) |
| |
| define void @bar() personality ptr @__gxx_personality_v0 { |
| ; CHECK-LABEL: name: bar |
| ; CHECK: bb.1 (%ir-block.0): |
| ; CHECK-NEXT: successors: %bb.3(0x40000000), %bb.2(0x40000000) |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: G_INVOKE_REGION_START |
| ; CHECK-NEXT: EH_LABEL <mcsymbol > |
| ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp |
| ; CHECK-NEXT: [[C:%[0-9]+]]:_(s32) = G_CONSTANT i32 42 |
| ; CHECK-NEXT: $w0 = COPY [[C]](s32) |
| ; CHECK-NEXT: BL @foo, csr_darwin_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $w0, implicit-def $w0 |
| ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp |
| ; CHECK-NEXT: EH_LABEL <mcsymbol > |
| ; CHECK-NEXT: G_BR %bb.3 |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: bb.2.cleanup (landing-pad): |
| ; CHECK-NEXT: successors: %bb.4(0x80000000) |
| ; CHECK-NEXT: liveins: $x0, $x1 |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: EH_LABEL <mcsymbol > |
| ; CHECK-NEXT: [[COPY:%[0-9]+]]:_(p0) = COPY $x0 |
| ; CHECK-NEXT: [[COPY1:%[0-9]+]]:_(p0) = COPY $x1 |
| ; CHECK-NEXT: [[PTRTOINT:%[0-9]+]]:_(s64) = G_PTRTOINT [[COPY1]](p0) |
| ; CHECK-NEXT: [[TRUNC:%[0-9]+]]:_(s32) = G_TRUNC [[PTRTOINT]](s64) |
| ; CHECK-NEXT: [[FRAME_INDEX:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.exn.slot |
| ; CHECK-NEXT: G_STORE [[COPY]](p0), [[FRAME_INDEX]](p0) :: (store (p0) into %ir.exn.slot) |
| ; CHECK-NEXT: [[FRAME_INDEX1:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.1.ehselector.slot |
| ; CHECK-NEXT: G_STORE [[TRUNC]](s32), [[FRAME_INDEX1]](p0) :: (store (s32) into %ir.ehselector.slot) |
| ; CHECK-NEXT: G_BR %bb.4 |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: bb.3.continue: |
| ; CHECK-NEXT: RET_ReallyLR |
| ; CHECK-NEXT: {{ $}} |
| ; CHECK-NEXT: bb.4.eh.resume: |
| ; CHECK-NEXT: [[FRAME_INDEX2:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.exn.slot |
| ; CHECK-NEXT: [[LOAD:%[0-9]+]]:_(p0) = G_LOAD [[FRAME_INDEX2]](p0) :: (dereferenceable load (p0) from %ir.exn.slot) |
| ; CHECK-NEXT: ADJCALLSTACKDOWN 0, 0, implicit-def $sp, implicit $sp |
| ; CHECK-NEXT: $x0 = COPY [[LOAD]](p0) |
| ; CHECK-NEXT: BL @_Unwind_Resume, csr_darwin_aarch64_aapcs, implicit-def $lr, implicit $sp, implicit $x0 |
| ; CHECK-NEXT: ADJCALLSTACKUP 0, 0, implicit-def $sp, implicit $sp |
| ; CHECK-NEXT: G_TRAP |
| %exn.slot = alloca ptr |
| %ehselector.slot = alloca i32 |
| %1 = invoke i32 @foo(i32 42) to label %continue unwind label %cleanup |
| |
| cleanup: |
| %2 = landingpad { ptr, i32 } cleanup |
| %3 = extractvalue { ptr, i32 } %2, 0 |
| store ptr %3, ptr %exn.slot, align 8 |
| %4 = extractvalue { ptr, i32 } %2, 1 |
| store i32 %4, ptr %ehselector.slot, align 4 |
| br label %eh.resume |
| |
| continue: |
| ret void |
| |
| eh.resume: |
| %exn = load ptr, ptr %exn.slot, align 8 |
| call void @_Unwind_Resume(ptr %exn) |
| unreachable |
| } |