diff options
Diffstat (limited to 'llvm/test/CodeGen/AMDGPU/fmul-2-combine-multi-use.ll')
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/fmul-2-combine-multi-use.ll | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/llvm/test/CodeGen/AMDGPU/fmul-2-combine-multi-use.ll b/llvm/test/CodeGen/AMDGPU/fmul-2-combine-multi-use.ll index 10acae092e9..84c35e1aa03 100644 --- a/llvm/test/CodeGen/AMDGPU/fmul-2-combine-multi-use.ll +++ b/llvm/test/CodeGen/AMDGPU/fmul-2-combine-multi-use.ll @@ -1,5 +1,7 @@ ; XUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s -; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-fp16-denormals -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s +; RUN: llc -march=amdgcn -mcpu=tonga -mattr=+fp64-fp16-denormals -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=VI-DENORM %s +; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-fp64-fp16-denormals -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=VI-FLUSH %s + ; Make sure (fmul (fadd x, x), c) -> (fmul x, (fmul 2.0, c)) doesn't ; make add an instruction if the fadd has more than one use. @@ -115,7 +117,8 @@ define void @fmul_x2_xn3_f32(float addrspace(1)* %out, float %x, float %y) #0 { ; VI: v_cndmask_b32_e32 ; VI: v_add_f16_e64 v{{[0-9]+}}, |v{{[0-9]+}}|, |v{{[0-9]+}}| ; VI: v_mul_f16_e64 v{{[0-9]+}}, v{{[0-9]+}}, -v{{[0-9]+}} -; VI: v_mad_f16 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, 1.0 +; VI-FLUSH: v_mad_f16 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, 1.0 +; VI-DENORM: v_fma_f16 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, 1.0 define void @multiple_fadd_use_test_f16(half addrspace(1)* %out, i16 zeroext %x.arg, i16 zeroext %y.arg, i16 zeroext %z.arg) #0 { %x = bitcast i16 %x.arg to half %y = bitcast i16 %y.arg to half @@ -136,7 +139,10 @@ define void @multiple_fadd_use_test_f16(half addrspace(1)* %out, i16 zeroext %x. ; GCN-LABEL: {{^}}multiple_use_fadd_fmac_f16: ; GCN-DAG: v_add_f16_e64 [[MUL2:v[0-9]+]], [[X:s[0-9]+]], s{{[0-9]+}} -; GCN-DAG: v_mac_f16_e64 [[MAD:v[0-9]+]], [[X]], 2.0 + +; VI-FLUSH-DAG: v_mac_f16_e64 [[MAD:v[0-9]+]], [[X]], 2.0 +; VI-DENORM-DAG: v_fma_f16 [[MAD:v[0-9]+]], [[X]], 2.0, v{{[0-9]+}} + ; GCN-DAG: buffer_store_short [[MUL2]] ; GCN-DAG: buffer_store_short [[MAD]] ; GCN: s_endpgm @@ -153,7 +159,10 @@ define void @multiple_use_fadd_fmac_f16(half addrspace(1)* %out, i16 zeroext %x. ; GCN-LABEL: {{^}}multiple_use_fadd_fmad_f16: ; GCN-DAG: v_add_f16_e64 [[MUL2:v[0-9]+]], |[[X:s[0-9]+]]|, |s{{[0-9]+}}| -; GCN-DAG: v_mad_f16 [[MAD:v[0-9]+]], |[[X]]|, 2.0, v{{[0-9]+}} + +; VI-FLUSH-DAG: v_mad_f16 [[MAD:v[0-9]+]], |[[X]]|, 2.0, v{{[0-9]+}} +; VI-DENORM-DAG: v_fma_f16 [[MAD:v[0-9]+]], |[[X]]|, 2.0, v{{[0-9]+}} + ; GCN-DAG: buffer_store_short [[MUL2]] ; GCN-DAG: buffer_store_short [[MAD]] ; GCN: s_endpgm @@ -170,8 +179,12 @@ define void @multiple_use_fadd_fmad_f16(half addrspace(1)* %out, i16 zeroext %x. } ; GCN-LABEL: {{^}}multiple_use_fadd_multi_fmad_f16: -; GCN: v_mad_f16 {{v[0-9]+}}, |[[X:s[0-9]+]]|, 2.0, v{{[0-9]+}} -; GCN: v_mad_f16 {{v[0-9]+}}, |[[X]]|, 2.0, v{{[0-9]+}} +; VI-FLUSH: v_mad_f16 {{v[0-9]+}}, |[[X:s[0-9]+]]|, 2.0, v{{[0-9]+}} +; VI-FLUSH: v_mad_f16 {{v[0-9]+}}, |[[X]]|, 2.0, v{{[0-9]+}} + +; VI-DENORM: v_fma_f16 {{v[0-9]+}}, |[[X:s[0-9]+]]|, 2.0, v{{[0-9]+}} +; VI-DENORM: v_fma_f16 {{v[0-9]+}}, |[[X]]|, 2.0, v{{[0-9]+}} + define void @multiple_use_fadd_multi_fmad_f16(half addrspace(1)* %out, i16 zeroext %x.arg, i16 zeroext %y.arg, i16 zeroext %z.arg) #0 { %x = bitcast i16 %x.arg to half %y = bitcast i16 %y.arg to half |
