[llvm] r292814 - DAG: Allow legalization of fcanonicalize vector types
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Mon Jan 23 10:52:27 PST 2017
Author: arsenm
Date: Mon Jan 23 12:52:26 2017
New Revision: 292814
URL: http://llvm.org/viewvc/llvm-project?rev=292814&view=rev
Log:
DAG: Allow legalization of fcanonicalize vector types
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
llvm/trunk/test/CodeGen/AMDGPU/fcanonicalize.f16.ll
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp?rev=292814&r1=292813&r2=292814&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp Mon Jan 23 12:52:26 2017
@@ -97,6 +97,7 @@ void DAGTypeLegalizer::ScalarizeVectorRe
case ISD::TRUNCATE:
case ISD::UINT_TO_FP:
case ISD::ZERO_EXTEND:
+ case ISD::FCANONICALIZE:
R = ScalarizeVecRes_UnaryOp(N);
break;
@@ -637,6 +638,7 @@ void DAGTypeLegalizer::SplitVectorResult
case ISD::SINT_TO_FP:
case ISD::TRUNCATE:
case ISD::UINT_TO_FP:
+ case ISD::FCANONICALIZE:
SplitVecRes_UnaryOp(N, Lo, Hi);
break;
@@ -1466,6 +1468,7 @@ bool DAGTypeLegalizer::SplitVectorOperan
case ISD::ZERO_EXTEND:
case ISD::ANY_EXTEND:
case ISD::FTRUNC:
+ case ISD::FCANONICALIZE:
Res = SplitVecOp_UnaryOp(N);
break;
}
Modified: llvm/trunk/test/CodeGen/AMDGPU/fcanonicalize.f16.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/AMDGPU/fcanonicalize.f16.ll?rev=292814&r1=292813&r2=292814&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/AMDGPU/fcanonicalize.f16.ll (original)
+++ llvm/trunk/test/CodeGen/AMDGPU/fcanonicalize.f16.ll Mon Jan 23 12:52:26 2017
@@ -1,6 +1,8 @@
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
declare half @llvm.canonicalize.f16(half) #0
+declare <2 x half> @llvm.fabs.v2f16(<2 x half>) #0
+declare <2 x half> @llvm.canonicalize.v2f16(<2 x half>) #0
; GCN-LABEL: {{^}}v_test_canonicalize_var_f16:
; GCN: v_mul_f16_e32 [[REG:v[0-9]+]], 1.0, {{v[0-9]+}}
@@ -166,6 +168,218 @@ define void @test_fold_canonicalize_snan
ret void
}
+; GCN-LABEL: {{^}}v_test_canonicalize_var_v2f16:
+; GCN: v_mul_f16_e32 [[REG0:v[0-9]+]], 1.0, {{v[0-9]+}}
+; GCN: v_mul_f16_e32 [[REG1:v[0-9]+]], 1.0, {{v[0-9]+}}
+; GCN: v_lshlrev_b32_e32 v{{[0-9]+}}, 16,
+define void @v_test_canonicalize_var_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %val = load <2 x half>, <2 x half> addrspace(1)* %out
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> %val)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; FIXME: Fold modifier
+; GCN-LABEL: {{^}}v_test_canonicalize_fabs_var_v2f16:
+; GCN: v_bfe_u32
+; GCN: v_and_b32_e32 v{{[0-9]+}}, 0x7fff7fff, v{{[0-9]+}}
+; GCN: v_mul_f16_e32 [[REG0:v[0-9]+]], 1.0, v{{[0-9]+}}
+; GCN: v_mul_f16_e32 [[REG1:v[0-9]+]], 1.0, v{{[0-9]+}}
+; GCN: v_or_b32
+; GCN: buffer_store_dword
+define void @v_test_canonicalize_fabs_var_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %val = load <2 x half>, <2 x half> addrspace(1)* %out
+ %val.fabs = call <2 x half> @llvm.fabs.v2f16(<2 x half> %val)
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> %val.fabs)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}v_test_canonicalize_fneg_fabs_var_v2f16:
+; GCN: v_or_b32_e32 v{{[0-9]+}}, 0x80008000, v{{[0-9]+}}
+; GCN: v_mul_f16_e32 [[REG0:v[0-9]+]], 1.0, v{{[0-9]+}}
+; GCN: v_mul_f16_e32 [[REG1:v[0-9]+]], 1.0, v{{[0-9]+}}
+; GCN: v_or_b32
+; GCN: buffer_store_dword
+define void @v_test_canonicalize_fneg_fabs_var_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %val = load <2 x half>, <2 x half> addrspace(1)* %out
+ %val.fabs = call <2 x half> @llvm.fabs.v2f16(<2 x half> %val)
+ %val.fabs.fneg = fsub <2 x half> <half -0.0, half -0.0>, %val.fabs
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> %val.fabs.fneg)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; FIXME: Fold modifier
+; GCN-LABEL: {{^}}v_test_canonicalize_fneg_var_v2f16:
+; GCN: v_xor_b32_e32 [[FNEG:v[0-9]+]], 0x80008000, v{{[0-9]+}}
+; GCN: v_lshrrev_b32_e32 [[FNEG_HI:v[0-9]+]], 16, [[FNEG]]
+; GCN: v_mul_f16_e32 [[REG0:v[0-9]+]], 1.0, [[FNEG]]
+; GCN: v_mul_f16_e32 [[REG1:v[0-9]+]], 1.0, [[FNEG_HI]]
+; GCN: v_lshlrev_b32_e32 v{{[0-9]+}}, 16,
+define void @v_test_canonicalize_fneg_var_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %val = load <2 x half>, <2 x half> addrspace(1)* %out
+ %fneg.val = fsub <2 x half> <half -0.0, half -0.0>, %val
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> %fneg.val)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}s_test_canonicalize_var_v2f16:
+; GCN: v_mul_f16_e64 [[REG0:v[0-9]+]], 1.0, {{s[0-9]+}}
+; GCN: v_mul_f16_e64 [[REG1:v[0-9]+]], 1.0, {{s[0-9]+}}
+; GCN: v_lshlrev_b32_e32 v{{[0-9]+}}, 16,
+define void @s_test_canonicalize_var_v2f16(<2 x half> addrspace(1)* %out, i32 zeroext %val.arg) #1 {
+ %val = bitcast i32 %val.arg to <2 x half>
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> %val)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_p0_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_fold_canonicalize_p0_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> zeroinitializer)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_n0_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x80008000{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_fold_canonicalize_n0_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half -0.0, half -0.0>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_p1_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x3c003c00{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_fold_canonicalize_p1_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half 1.0, half 1.0>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_n1_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0xbc00bc00{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_fold_canonicalize_n1_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half -1.0, half -1.0>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_literal_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x4c004c00{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_fold_canonicalize_literal_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half 16.0, half 16.0>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_no_denormals_fold_canonicalize_denormal0_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_no_denormals_fold_canonicalize_denormal0_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half 0xH03FF, half 0xH03FF>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_denormals_fold_canonicalize_denormal0_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x3ff03ff{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_denormals_fold_canonicalize_denormal0_v2f16(<2 x half> addrspace(1)* %out) #3 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half 0xH03FF, half 0xH03FF>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_no_denormals_fold_canonicalize_denormal1_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_no_denormals_fold_canonicalize_denormal1_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half 0xH83FF, half 0xH83FF>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_denormals_fold_canonicalize_denormal1_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x83ff83ff{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_denormals_fold_canonicalize_denormal1_v2f16(<2 x half> addrspace(1)* %out) #3 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half 0xH83FF, half 0xH83FF>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_qnan_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7c007c00{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_fold_canonicalize_qnan_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half 0xH7C00, half 0xH7C00>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_qnan_value_neg1_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7e007e00{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_fold_canonicalize_qnan_value_neg1_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> bitcast (i32 -1 to <2 x half>))
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_qnan_value_neg2_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7e007e00{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_fold_canonicalize_qnan_value_neg2_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half bitcast (i16 -2 to half), half bitcast (i16 -2 to half)>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_snan0_value_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7e007e00{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_fold_canonicalize_snan0_value_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half 0xH7C01, half 0xH7C01>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_snan1_value_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7e007e00{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_fold_canonicalize_snan1_value_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half 0xH7DFF, half 0xH7DFF>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_snan2_value_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7e007e00{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_fold_canonicalize_snan2_value_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half 0xHFDFF, half 0xHFDFF>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
+; GCN-LABEL: {{^}}test_fold_canonicalize_snan3_value_v2f16:
+; GCN: v_mov_b32_e32 [[REG:v[0-9]+]], 0x7e007e00{{$}}
+; GCN: buffer_store_dword [[REG]]
+define void @test_fold_canonicalize_snan3_value_v2f16(<2 x half> addrspace(1)* %out) #1 {
+ %canonicalized = call <2 x half> @llvm.canonicalize.v2f16(<2 x half> <half 0xHFC01, half 0xHFC01>)
+ store <2 x half> %canonicalized, <2 x half> addrspace(1)* %out
+ ret void
+}
+
attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }
attributes #2 = { nounwind "target-features"="-fp16-denormals,-fp16-denormals" }
More information about the llvm-commits
mailing list