49 lines · plain
1; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-ctor-dtor < %s | FileCheck %s2; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx700 -filetype=obj -o - < %s | llvm-readelf -s - 2>&1 | FileCheck %s -check-prefix=CHECK-VIS3 4; Make sure that we don't modify the functions if amdgcn.device.init or5; amdgcn.device.fini already exit.6 7@llvm.global_ctors = appending addrspace(1) global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 1, ptr @foo, ptr null }]8@llvm.global_dtors = appending addrspace(1) global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 1, ptr @bar, ptr null }]9 10; CHECK-LABEL: amdgpu_kernel void @amdgcn.device.init() #0 {11; CHECK-NEXT: store volatile i32 1, ptr addrspace(1) null12; CHECK-NEXT: ret void13; CHECK-NEXT: }14 15; CHECK-LABEL: define amdgpu_kernel void @amdgcn.device.fini() #1 {16; CHECK-NEXT: store volatile i32 0, ptr addrspace(1) null17; CHECK-NEXT: ret void18; CHECK-NEXT: }19 20; CHECK-NOT: amdgcn.device.21 22; CHECK-VIS: FUNC GLOBAL PROTECTED {{.*}} amdgcn.device.init{{$}}23; CHECK-VIS: OBJECT GLOBAL DEFAULT {{.*}} amdgcn.device.init.kd{{$}}24; CHECK-VIS: FUNC GLOBAL PROTECTED {{.*}} amdgcn.device.fini{{$}}25; CHECK-VIS: OBJECT GLOBAL DEFAULT {{.*}} amdgcn.device.fini.kd{{$}}26 27define internal void @foo() {28 ret void29}30 31define internal void @bar() {32 ret void33}34 35define amdgpu_kernel void @amdgcn.device.init() #0 {36 store volatile i32 1, ptr addrspace(1) null37 ret void38}39 40define amdgpu_kernel void @amdgcn.device.fini() #1 {41 store volatile i32 0, ptr addrspace(1) null42 ret void43}44 45attributes #0 = { "device-init" }46attributes #1 = { "device-fini" }47; CHECK: attributes #0 = { "device-init" }48; CHECK: attributes #1 = { "device-fini" }49