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| author | Tom Stellard <thomas.stellard@amd.com> | 2015-11-26 00:43:29 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2015-11-26 00:43:29 +0000 |
| commit | 48f29f21eea3ae06598687ccf77b3b248a0553ea (patch) | |
| tree | 1b0684ed0f01bbd647334a2127ea473e45ceadf5 /llvm/test/CodeGen/AMDGPU | |
| parent | 1c80b9d315a509715d72ad0765f49b20cd0efd0f (diff) | |
| download | bcm5719-llvm-48f29f21eea3ae06598687ccf77b3b248a0553ea.tar.gz bcm5719-llvm-48f29f21eea3ae06598687ccf77b3b248a0553ea.zip | |
AMDGPU: Add llvm.amdgcn.dispatch.ptr intrinsic
Summary:
This returns a pointer to the dispatch packet, which can be used to load
information about the kernel dispach.
Reviewers: arsenm
Subscribers: arsenm, llvm-commits
Differential Revision: http://reviews.llvm.org/D14898
llvm-svn: 254116
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/llvm.amdgcn.dispatch.ptr.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.dispatch.ptr.ll b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.dispatch.ptr.ll new file mode 100644 index 00000000000..719f7ffe0f1 --- /dev/null +++ b/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.dispatch.ptr.ll @@ -0,0 +1,16 @@ +; RUN: llc -mtriple=amdgcn--amdhsa -mcpu=kaveri -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s + +; GCN-LABEL: {{^}}test: +; GCN: enable_sgpr_dispatch_ptr = 1 +; GCN: s_load_dword s{{[0-9]+}}, s[0:1], 0x0 +define void @test(i32 addrspace(1)* %out) { + %dispatch_ptr = call noalias i8 addrspace(2)* @llvm.amdgcn.dispatch.ptr() #0 + %header_ptr = bitcast i8 addrspace(2)* %dispatch_ptr to i32 addrspace(2)* + %value = load i32, i32 addrspace(2)* %header_ptr + store i32 %value, i32 addrspace(1)* %out + ret void +} + +declare noalias i8 addrspace(2)* @llvm.amdgcn.dispatch.ptr() #0 + +attributes #0 = { readnone } |
