llvm-project/llvm/test/CodeGen/AMDGPU/cttz_zero_undef.ll
Matt Arsenault 7aad8fd8f4 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
2017-01-24 22:02:15 +00:00

72 lines
3.0 KiB
LLVM

; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=cypress -verify-machineinstrs < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s
declare i32 @llvm.cttz.i32(i32, i1) nounwind readnone
declare <2 x i32> @llvm.cttz.v2i32(<2 x i32>, i1) nounwind readnone
declare <4 x i32> @llvm.cttz.v4i32(<4 x i32>, i1) nounwind readnone
; FUNC-LABEL: {{^}}s_cttz_zero_undef_i32:
; SI: s_load_dword [[VAL:s[0-9]+]],
; SI: s_ff1_i32_b32 [[SRESULT:s[0-9]+]], [[VAL]]
; SI: v_mov_b32_e32 [[VRESULT:v[0-9]+]], [[SRESULT]]
; SI: buffer_store_dword [[VRESULT]],
; SI: s_endpgm
; EG: MEM_RAT_CACHELESS STORE_RAW [[RESULT:T[0-9]+\.[XYZW]]]
; EG: FFBL_INT {{\*? *}}[[RESULT]]
define void @s_cttz_zero_undef_i32(i32 addrspace(1)* noalias %out, i32 %val) nounwind {
%cttz = call i32 @llvm.cttz.i32(i32 %val, i1 true) nounwind readnone
store i32 %cttz, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}v_cttz_zero_undef_i32:
; SI: buffer_load_dword [[VAL:v[0-9]+]],
; SI: v_ffbl_b32_e32 [[RESULT:v[0-9]+]], [[VAL]]
; SI: buffer_store_dword [[RESULT]],
; SI: s_endpgm
; EG: MEM_RAT_CACHELESS STORE_RAW [[RESULT:T[0-9]+\.[XYZW]]]
; EG: FFBL_INT {{\*? *}}[[RESULT]]
define void @v_cttz_zero_undef_i32(i32 addrspace(1)* noalias %out, i32 addrspace(1)* noalias %valptr) nounwind {
%val = load i32, i32 addrspace(1)* %valptr, align 4
%cttz = call i32 @llvm.cttz.i32(i32 %val, i1 true) nounwind readnone
store i32 %cttz, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: {{^}}v_cttz_zero_undef_v2i32:
; SI: buffer_load_dwordx2
; SI: v_ffbl_b32_e32
; SI: v_ffbl_b32_e32
; SI: buffer_store_dwordx2
; SI: s_endpgm
; EG: MEM_RAT_CACHELESS STORE_RAW [[RESULT:T[0-9]+]]{{\.[XYZW]}}
; EG: FFBL_INT {{\*? *}}[[RESULT]]
; EG: FFBL_INT {{\*? *}}[[RESULT]]
define void @v_cttz_zero_undef_v2i32(<2 x i32> addrspace(1)* noalias %out, <2 x i32> addrspace(1)* noalias %valptr) nounwind {
%val = load <2 x i32>, <2 x i32> addrspace(1)* %valptr, align 8
%cttz = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %val, i1 true) nounwind readnone
store <2 x i32> %cttz, <2 x i32> addrspace(1)* %out, align 8
ret void
}
; FUNC-LABEL: {{^}}v_cttz_zero_undef_v4i32:
; SI: buffer_load_dwordx4
; SI: v_ffbl_b32_e32
; SI: v_ffbl_b32_e32
; SI: v_ffbl_b32_e32
; SI: v_ffbl_b32_e32
; SI: buffer_store_dwordx4
; SI: s_endpgm
; EG: MEM_RAT_CACHELESS STORE_RAW [[RESULT:T[0-9]+]]{{\.[XYZW]}}
; EG: FFBL_INT {{\*? *}}[[RESULT]]
; EG: FFBL_INT {{\*? *}}[[RESULT]]
; EG: FFBL_INT {{\*? *}}[[RESULT]]
; EG: FFBL_INT {{\*? *}}[[RESULT]]
define void @v_cttz_zero_undef_v4i32(<4 x i32> addrspace(1)* noalias %out, <4 x i32> addrspace(1)* noalias %valptr) nounwind {
%val = load <4 x i32>, <4 x i32> addrspace(1)* %valptr, align 16
%cttz = call <4 x i32> @llvm.cttz.v4i32(<4 x i32> %val, i1 true) nounwind readnone
store <4 x i32> %cttz, <4 x i32> addrspace(1)* %out, align 16
ret void
}