mirror of
https://github.com/RPCS3/llvm.git
synced 2026-07-22 03:35:35 -04:00
Mark Searles
48e0515b4f
-enable-si-insert-waitcnts=1 becomes the default -enable-si-insert-waitcnts=0 to use old pass Differential Revision: https://reviews.llvm.org/D33730 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304551 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
1.6 KiB
LLVM
48 lines
1.6 KiB
LLVM
; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VCCZ-BUG %s
|
|
; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VCCZ-BUG %s
|
|
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=NOVCCZ-BUG %s
|
|
|
|
; GCN-FUNC: {{^}}vccz_workaround:
|
|
; GCN: s_load_dword s{{[0-9]+}}, s[{{[0-9]+:[0-9]+}}], 0x0
|
|
; GCN: v_cmp_neq_f32_e64 vcc, s{{[0-9]+}}, 0{{$}}
|
|
; VCCZ-BUG: s_waitcnt vmcnt(0) expcnt(0) lgkmcnt(0)
|
|
; VCCZ-BUG: s_mov_b64 vcc, vcc
|
|
; NOVCCZ-BUG-NOT: s_mov_b64 vcc, vcc
|
|
; GCN: s_cbranch_vccnz [[EXIT:[0-9A-Za-z_]+]]
|
|
; GCN: buffer_store_dword
|
|
; GCN: [[EXIT]]:
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @vccz_workaround(i32 addrspace(2)* %in, i32 addrspace(1)* %out, float %cond) {
|
|
entry:
|
|
%cnd = fcmp oeq float 0.0, %cond
|
|
%sgpr = load volatile i32, i32 addrspace(2)* %in
|
|
br i1 %cnd, label %if, label %endif
|
|
|
|
if:
|
|
store i32 %sgpr, i32 addrspace(1)* %out
|
|
br label %endif
|
|
|
|
endif:
|
|
ret void
|
|
}
|
|
|
|
; GCN-FUNC: {{^}}vccz_noworkaround:
|
|
; GCN: v_cmp_neq_f32_e32 vcc, 0, v{{[0-9]+}}
|
|
; GCN: s_cbranch_vccnz [[EXIT:[0-9A-Za-z_]+]]
|
|
; GCN: buffer_store_dword
|
|
; GCN: [[EXIT]]:
|
|
; GCN: s_endpgm
|
|
define amdgpu_kernel void @vccz_noworkaround(float addrspace(1)* %in, float addrspace(1)* %out) {
|
|
entry:
|
|
%vgpr = load volatile float, float addrspace(1)* %in
|
|
%cnd = fcmp oeq float 0.0, %vgpr
|
|
br i1 %cnd, label %if, label %endif
|
|
|
|
if:
|
|
store float %vgpr, float addrspace(1)* %out
|
|
br label %endif
|
|
|
|
endif:
|
|
ret void
|
|
}
|