Files
archived-llvm/test/CodeGen/AMDGPU/basic-branch.ll
Matt Arsenault d019e8638a 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>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@292982 91177308-0d34-0410-b5e6-96231b3b80d8
2017-01-24 22:02:15 +00:00

58 lines
1.7 KiB
LLVM

; RUN: llc -O0 -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCNNOOPT -check-prefix=GCN %s
; RUN: llc -O0 -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -amdgpu-spill-sgpr-to-smem=0 -verify-machineinstrs < %s | FileCheck -check-prefix=GCNNOOPT -check-prefix=GCN %s
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCNOPT -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCNOPT -check-prefix=GCN %s
; GCN-LABEL: {{^}}test_branch:
; GCNNOOPT: v_writelane_b32
; GCNNOOPT: v_writelane_b32
; GCN: s_cbranch_scc1 [[END:BB[0-9]+_[0-9]+]]
; GCN: ; BB#1
; GCNNOOPT: v_readlane_b32
; GCNNOOPT: v_readlane_b32
; GCN: buffer_store_dword
; GCNOPT-NEXT: s_waitcnt vmcnt(0) expcnt(0)
; TODO: This waitcnt can be eliminated
; GCN: {{^}}[[END]]:
; GCN: s_endpgm
define void @test_branch(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i32 %val) #0 {
%cmp = icmp ne i32 %val, 0
br i1 %cmp, label %store, label %end
store:
store i32 222, i32 addrspace(1)* %out
ret void
end:
ret void
}
; GCN-LABEL: {{^}}test_brcc_i1:
; GCN: buffer_load_ubyte
; GCN: v_and_b32_e32 v{{[0-9]+}}, 1,
; GCN: v_cmp_eq_u32_e32 vcc,
; GCN: s_cbranch_vccnz [[END:BB[0-9]+_[0-9]+]]
; GCN: buffer_store_dword
; GCNOPT-NEXT: s_waitcnt vmcnt(0) expcnt(0)
; TODO: This waitcnt can be eliminated
; GCN: {{^}}[[END]]:
; GCN: s_endpgm
define void @test_brcc_i1(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %in, i1 %val) #0 {
%cmp0 = icmp ne i1 %val, 0
br i1 %cmp0, label %store, label %end
store:
store i32 222, i32 addrspace(1)* %out
ret void
end:
ret void
}
attributes #0 = { nounwind }