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llvm-project/llvm/test/CodeGen/AMDGPU/llvm.amdgcn.mbcnt.ll

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Enable FeatureFlatForGlobal on Volcanic Islands This switches to the workaround that HSA defaults to for the mesa path. This should be applied to the 4.0 branch. Patch by Vedran Miletić <vedran@miletic.net> llvm-svn: 292982
2017-01-25 06:02:15 +08:00
; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
AMDGPU/SI: Add llvm.amdgcn.mbcnt.* intrinsics Summary: These are meant to be used instead of the llvm.SI.tid intrinsic which will be deprecated at some point. Reviewers: arsenm Subscribers: arsenm, llvm-commits Differential Revision: http://reviews.llvm.org/D15475 llvm-svn: 255652
2015-12-16 01:02:52 +08:00
Enable FeatureFlatForGlobal on Volcanic Islands This switches to the workaround that HSA defaults to for the mesa path. This should be applied to the 4.0 branch. Patch by Vedran Miletić <vedran@miletic.net> llvm-svn: 292982
2017-01-25 06:02:15 +08:00
; GCN-LABEL: {{^}}mbcnt_intrinsics:
; GCN: v_mbcnt_lo_u32_b32_e64 [[LO:v[0-9]+]], -1, 0
; SI: v_mbcnt_hi_u32_b32_e32 {{v[0-9]+}}, -1, [[LO]]
; VI: v_mbcnt_hi_u32_b32_e64 {{v[0-9]+}}, -1, [[LO]]
AMDGPU/SI: Add llvm.amdgcn.mbcnt.* intrinsics Summary: These are meant to be used instead of the llvm.SI.tid intrinsic which will be deprecated at some point. Reviewers: arsenm Subscribers: arsenm, llvm-commits Differential Revision: http://reviews.llvm.org/D15475 llvm-svn: 255652
2015-12-16 01:02:52 +08:00
AMDGPU: Add a shader calling convention This makes it possible to distinguish between mesa shaders and other kernels even in the presence of compute shaders. Patch By: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl> Differential Revision: http://reviews.llvm.org/D18559 llvm-svn: 265589
2016-04-07 03:40:20 +08:00
define amdgpu_ps void @mbcnt_intrinsics(<16 x i8> addrspace(2)* inreg, <16 x i8> addrspace(2)* inreg, <32 x i8> addrspace(2)* inreg, i32 inreg) {
AMDGPU/SI: Add llvm.amdgcn.mbcnt.* intrinsics Summary: These are meant to be used instead of the llvm.SI.tid intrinsic which will be deprecated at some point. Reviewers: arsenm Subscribers: arsenm, llvm-commits Differential Revision: http://reviews.llvm.org/D15475 llvm-svn: 255652
2015-12-16 01:02:52 +08:00
main_body:
%lo = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #1
%hi = call i32 @llvm.amdgcn.mbcnt.hi(i32 -1, i32 %lo) #1
%4 = bitcast i32 %hi to float
call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 1, float %4, float %4, float %4, float %4)
ret void
}
declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #1
declare i32 @llvm.amdgcn.mbcnt.hi(i32, i32) #1
declare void @llvm.SI.export(i32, i32, i32, i32, i32, float, float, float, float)
attributes #1 = { nounwind readnone }