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1; RUN: llc -verify-machineinstrs -mtriple=ppc64le-unknown-linux %s -global-isel -stop-after=irtranslator -o - | FileCheck %s --check-prefix=LINUX2; RUN: llc -verify-machineinstrs -mtriple=ppc64le-unknown-openbsd %s -global-isel -stop-after=irtranslator -o - | FileCheck %s --check-prefix=OPENBSD3 4 5; The stack guard on Linux6@__stack_chk_guard = external global ptr7 8; The stack guard on OpenBSD9@__guard_local = external hidden global ptr10 11declare void @llvm.stackprotector(ptr, ptr)12 13; LINUX-LABEL: name: test_stack_guard_linux14 15; LINUX: frameInfo:16; LINUX: stackProtector: '%stack.0.StackGuardSlot'17 18; LINUX: stack:19; LINUX: - { id: 0, name: StackGuardSlot, type: default, offset: 0, size: 8, alignment: 8,20; LINUX-NOT: id: 121 22; LINUX: [[GUARD_SLOT:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.StackGuardSlot23; LINUX: [[GUARD:%[0-9]+]]:g8rc(p0) = LOAD_STACK_GUARD :: (dereferenceable invariant load (p0) from @__stack_chk_guard)24; LINUX: G_STORE [[GUARD]](p0), [[GUARD_SLOT]](p0) :: (volatile store (p0) into %stack.0.StackGuardSlot)25define void @test_stack_guard_linux() {26 %StackGuardSlot = alloca ptr27 call void @llvm.stackprotector(ptr undef, ptr %StackGuardSlot)28 ret void29}30 31; OPENBSD-LABEL: name: test_stack_guard_openbsd32 33; OPENBSD: frameInfo:34; OPENBSD: stackProtector: '%stack.0.StackGuardSlot'35 36; OPENBSD: stack:37; OPENBSD: - { id: 0, name: StackGuardSlot, type: default, offset: 0, size: 8, alignment: 8,38; OPENBSD-NOT: id: 139 40; OPENBSD: [[GUARD_LOCAL:%[0-9]+]]:_(p0) = G_GLOBAL_VALUE @__guard_local41; OPENBSD: [[GUARD_SLOT:%[0-9]+]]:_(p0) = G_FRAME_INDEX %stack.0.StackGuardSlot42; OPENBSD: [[GUARD:%[0-9]+]]:_(p0) = G_LOAD [[GUARD_LOCAL]](p0) :: (dereferenceable load (p0) from @__guard_local)43; OPENBSD: G_STORE [[GUARD]](p0), [[GUARD_SLOT]](p0) :: (volatile store (p0) into %stack.0.StackGuardSlot)44define void @test_stack_guard_openbsd() {45 %StackGuardSlot = alloca ptr46 %StackGuard = load ptr, ptr @__guard_local47 call void @llvm.stackprotector(ptr %StackGuard, ptr %StackGuardSlot)48 ret void49}50