3590945a11
We only expect these ctor / dtor functions to be called with a single thread. Add the appropriate attributes to indicate this to the backend. Reviewed By: arsenm Differential Revision: https://reviews.llvm.org/D151153
78 lines
4.5 KiB
LLVM
78 lines
4.5 KiB
LLVM
; RUN: opt -S -mtriple=amdgcn-- -amdgpu-lower-ctor-dtor < %s | FileCheck %s
|
|
; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-ctor-dtor < %s | FileCheck %s
|
|
|
|
; Make sure we get the same result if we run multiple times
|
|
; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-ctor-dtor,amdgpu-lower-ctor-dtor < %s | FileCheck %s
|
|
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx700 -filetype=obj -o - < %s | llvm-readelf -s - 2>&1 | FileCheck %s -check-prefix=VISIBILITY
|
|
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx700 -filetype=obj -o - < %s | llvm-readelf -S - 2>&1 | FileCheck %s -check-prefix=SECTION
|
|
; RUN: llc -mtriple=amdgcn-amd-amdhsa -amdgpu-lower-global-ctor-dtor=0 -mcpu=gfx700 -filetype=obj -o - < %s | llvm-readelf -s - 2>&1 | FileCheck %s -check-prefix=DISABLED
|
|
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx700 -filetype=obj -o - < %s | llvm-readelf --notes - 2>&1 | FileCheck %s -check-prefix=METADATA
|
|
|
|
@llvm.global_ctors = appending addrspace(1) global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 1, ptr @foo, ptr null }]
|
|
@llvm.global_dtors = appending addrspace(1) global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 1, ptr @bar, ptr null }]
|
|
|
|
; CHECK: @__init_array_start = external addrspace(1) constant [0 x ptr addrspace(1)]
|
|
; CHECK: @__init_array_end = external addrspace(1) constant [0 x ptr addrspace(1)]
|
|
; CHECK: @__fini_array_start = external addrspace(1) constant [0 x ptr addrspace(1)]
|
|
; CHECK: @__fini_array_end = external addrspace(1) constant [0 x ptr addrspace(1)]
|
|
; CHECK: @llvm.used = appending global [2 x ptr] [ptr @amdgcn.device.init, ptr @amdgcn.device.fini]
|
|
|
|
; CHECK-LABEL: define weak_odr amdgpu_kernel void @amdgcn.device.init() #0
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br i1 icmp ne (ptr addrspace(1) @__init_array_start, ptr addrspace(1) @__init_array_end), label [[WHILE_ENTRY:%.*]], label [[WHILE_END:%.*]]
|
|
; CHECK: while.entry:
|
|
; CHECK-NEXT: [[PTR:%.*]] = phi ptr addrspace(1) [ @__init_array_start, [[ENTRY:%.*]] ], [ [[NEXT:%.*]], [[WHILE_ENTRY]] ]
|
|
; CHECK-NEXT: [[CALLBACK:%.*]] = load ptr, ptr addrspace(1) [[PTR]], align 8
|
|
; CHECK-NEXT: call void [[CALLBACK]]()
|
|
; CHECK-NEXT: [[NEXT]] = getelementptr ptr addrspace(1), ptr addrspace(1) [[PTR]], i64 1
|
|
; CHECK-NEXT: [[END:%.*]] = icmp eq ptr addrspace(1) [[NEXT]], @__init_array_end
|
|
; CHECK-NEXT: br i1 [[END]], label [[WHILE_END]], label [[WHILE_ENTRY]]
|
|
; CHECK: while.end:
|
|
; CHECK-NEXT: ret void
|
|
|
|
; CHECK-LABEL: define weak_odr amdgpu_kernel void @amdgcn.device.fini() #1
|
|
; CHECK-NEXT: entry:
|
|
; CHECK-NEXT: br i1 icmp ne (ptr addrspace(1) @__fini_array_start, ptr addrspace(1) @__fini_array_end), label [[WHILE_ENTRY:%.*]], label [[WHILE_END:%.*]]
|
|
; CHECK: while.entry:
|
|
; CHECK-NEXT: [[PTR:%.*]] = phi ptr addrspace(1) [ @__fini_array_start, [[ENTRY:%.*]] ], [ [[NEXT:%.*]], [[WHILE_ENTRY]] ]
|
|
; CHECK-NEXT: [[CALLBACK:%.*]] = load ptr, ptr addrspace(1) [[PTR]], align 8
|
|
; CHECK-NEXT: call void [[CALLBACK]]()
|
|
; CHECK-NEXT: [[NEXT]] = getelementptr ptr addrspace(1), ptr addrspace(1) [[PTR]], i64 1
|
|
; CHECK-NEXT: [[END:%.*]] = icmp eq ptr addrspace(1) [[NEXT]], @__fini_array_end
|
|
; CHECK-NEXT: br i1 [[END]], label [[WHILE_END]], label [[WHILE_ENTRY]]
|
|
; CHECK: while.end:
|
|
; CHECK-NEXT: ret void
|
|
|
|
; CHECK-NOT: amdgcn.device.
|
|
|
|
; VISIBILITY: FUNC WEAK PROTECTED {{.*}} amdgcn.device.init
|
|
; VISIBILITY: OBJECT WEAK DEFAULT {{.*}} amdgcn.device.init.kd
|
|
; VISIBILITY: FUNC WEAK PROTECTED {{.*}} amdgcn.device.fini
|
|
; VISIBILITY: OBJECT WEAK DEFAULT {{.*}} amdgcn.device.fini.kd
|
|
; SECTION: .init_array.1 INIT_ARRAY {{.*}} {{.*}} 000008 00 WA 0 0 8
|
|
; SECTION: .fini_array.1 FINI_ARRAY {{.*}} {{.*}} 000008 00 WA 0 0 8
|
|
; DISABLED-NOT: FUNC GLOBAL PROTECTED {{.*}} amdgcn.device.init
|
|
; DISABLED-NOT: OBJECT GLOBAL DEFAULT {{.*}} amdgcn.device.init.kd
|
|
; DISABLED-NOT: FUNC GLOBAL PROTECTED {{.*}} amdgcn.device.fini
|
|
; DISABLED-NOT: OBJECT GLOBAL DEFAULT {{.*}} amdgcn.device.fini.kd
|
|
; METADATA: amdhsa.kernels:
|
|
; METADATA: .kind: init
|
|
; METADATA: .max_flat_workgroup_size: 1
|
|
; METADATA: .name: amdgcn.device.init
|
|
; METADATA: .symbol: amdgcn.device.init.kd
|
|
; METADATA: .kind: fini
|
|
; METADATA: .max_flat_workgroup_size: 1
|
|
; METADATA: .name: amdgcn.device.fini
|
|
; METADATA: .symbol: amdgcn.device.fini.kd
|
|
|
|
define internal void @foo() {
|
|
ret void
|
|
}
|
|
|
|
define internal void @bar() {
|
|
ret void
|
|
}
|
|
|
|
; CHECK: attributes #0 = { "amdgpu-flat-work-group-size"="1,1" "device-init" }
|
|
; CHECK: attributes #1 = { "amdgpu-flat-work-group-size"="1,1" "device-fini" }
|