208 lines
6.2 KiB
LLVM
208 lines
6.2 KiB
LLVM
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; RUN: opt -S -codegenprepare -mtriple=amdgcn-unknown-unknown -mcpu=bonaire < %s | FileCheck --check-prefixes=OPT,OPT-CI,OPT-CIVI %s
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; RUN: opt -S -codegenprepare -mtriple=amdgcn-unknown-unknown -mcpu=tonga -mattr=-flat-for-global < %s | FileCheck --check-prefixes=OPT,OPT-CIVI %s
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; RUN: opt -S -codegenprepare -mtriple=amdgcn-unknown-unknown -mcpu=gfx900 -mattr=-flat-for-global < %s | FileCheck --check-prefixes=OPT,OPT-GFX9 %s
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; RUN: llc -march=amdgcn -amdgpu-scalarize-global-loads=false -mcpu=bonaire -mattr=-promote-alloca < %s | FileCheck --check-prefixes=GCN,CI,CIVI %s
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; RUN: llc -march=amdgcn -amdgpu-scalarize-global-loads=false -mcpu=tonga -mattr=-flat-for-global -mattr=-promote-alloca < %s | FileCheck --check-prefixes=GCN,CIVI %s
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; RUN: llc -march=amdgcn -amdgpu-scalarize-global-loads=false -mcpu=gfx900 -mattr=-flat-for-global -mattr=-promote-alloca < %s | FileCheck --check-prefixes=GCN,GFX9 %s
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; OPT-LABEL: @test_no_sink_flat_small_offset_i32(
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; OPT-CIVI: getelementptr i32, i32* %in
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; OPT-CIVI: br i1
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; OPT-CIVI-NOT: ptrtoint
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; OPT-GFX9: br
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; OPT-GFX9: %sunkaddr = getelementptr i8, i8* %0, i64 28
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; OPT-GFX9: %1 = bitcast i8* %sunkaddr to i32*
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; OPT-GFX9: load i32, i32* %1
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; GCN-LABEL: {{^}}test_no_sink_flat_small_offset_i32:
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; GCN: flat_load_dword
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; GCN: {{^}}BB0_2:
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define amdgpu_kernel void @test_no_sink_flat_small_offset_i32(i32* %out, i32* %in, i32 %cond) {
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entry:
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%out.gep = getelementptr i32, i32* %out, i64 999999
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%in.gep = getelementptr i32, i32* %in, i64 7
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%tmp0 = icmp eq i32 %cond, 0
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br i1 %tmp0, label %endif, label %if
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if:
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%tmp1 = load i32, i32* %in.gep
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br label %endif
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endif:
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%x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
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store i32 %x, i32* %out.gep
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br label %done
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done:
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ret void
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}
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; OPT-LABEL: @test_sink_noop_addrspacecast_flat_to_global_i32(
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; OPT: getelementptr i32, i32* %out,
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; rOPT-CI-NOT: getelementptr
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; OPT: br i1
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; OPT-CI: addrspacecast
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; OPT-CI: getelementptr
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; OPT-CI: bitcast
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; OPT: br label
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; GCN-LABEL: {{^}}test_sink_noop_addrspacecast_flat_to_global_i32:
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; CI: buffer_load_dword {{v[0-9]+}}, off, s{{\[[0-9]+:[0-9]+\]}}, 0 offset:28
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define amdgpu_kernel void @test_sink_noop_addrspacecast_flat_to_global_i32(i32* %out, i32* %in, i32 %cond) {
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entry:
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%out.gep = getelementptr i32, i32* %out, i64 999999
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%in.gep = getelementptr i32, i32* %in, i64 7
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%cast = addrspacecast i32* %in.gep to i32 addrspace(1)*
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%tmp0 = icmp eq i32 %cond, 0
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br i1 %tmp0, label %endif, label %if
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if:
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%tmp1 = load i32, i32 addrspace(1)* %cast
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br label %endif
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endif:
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%x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
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store i32 %x, i32* %out.gep
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br label %done
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done:
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ret void
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}
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; OPT-LABEL: @test_sink_noop_addrspacecast_flat_to_constant_i32(
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; OPT: getelementptr i32, i32* %out,
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; OPT-CI-NOT: getelementptr
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; OPT: br i1
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; OPT-CI: addrspacecast
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; OPT-CI: getelementptr
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; OPT-CI: bitcast
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; OPT: br label
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; GCN-LABEL: {{^}}test_sink_noop_addrspacecast_flat_to_constant_i32:
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; CI: s_load_dword {{s[0-9]+}}, s{{\[[0-9]+:[0-9]+\]}}, 0xd
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define amdgpu_kernel void @test_sink_noop_addrspacecast_flat_to_constant_i32(i32* %out, i32* %in, i32 %cond) {
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entry:
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%out.gep = getelementptr i32, i32* %out, i64 999999
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%in.gep = getelementptr i32, i32* %in, i64 7
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%cast = addrspacecast i32* %in.gep to i32 addrspace(4)*
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%tmp0 = icmp eq i32 %cond, 0
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br i1 %tmp0, label %endif, label %if
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if:
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%tmp1 = load i32, i32 addrspace(4)* %cast
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br label %endif
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endif:
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%x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
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store i32 %x, i32* %out.gep
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br label %done
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done:
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ret void
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}
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; OPT-LABEL: @test_sink_flat_small_max_flat_offset(
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; OPT-CIVI: %in.gep = getelementptr i8, i8* %in, i64 4095
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; OPT-CIVI: br
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; OPT-CIVI-NOT: getelementptr
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; OPT-CIVI: load i8, i8* %in.gep
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; OPT-GFX9: br
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; OPT-GFX9: %sunkaddr = getelementptr i8, i8* %in, i64 4095
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; OPT-GFX9: load i8, i8* %sunkaddr
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; GCN-LABEL: {{^}}test_sink_flat_small_max_flat_offset:
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; GFX9: flat_load_sbyte v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]}} offset:4095{{$}}
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; CIVI: flat_load_sbyte v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]$}}
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define amdgpu_kernel void @test_sink_flat_small_max_flat_offset(i32* %out, i8* %in) #1 {
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entry:
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%out.gep = getelementptr i32, i32* %out, i32 1024
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%in.gep = getelementptr i8, i8* %in, i64 4095
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%tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
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%tmp0 = icmp eq i32 %tid, 0
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br i1 %tmp0, label %endif, label %if
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if:
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%tmp1 = load i8, i8* %in.gep
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%tmp2 = sext i8 %tmp1 to i32
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br label %endif
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endif:
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%x = phi i32 [ %tmp2, %if ], [ 0, %entry ]
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store i32 %x, i32* %out.gep
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br label %done
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done:
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ret void
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}
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; OPT-LABEL: @test_sink_flat_small_max_plus_1_flat_offset(
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; OPT: %in.gep = getelementptr i8, i8* %in, i64 4096
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; OPT: br
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; OPT-NOT: getelementptr
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; OPT: load i8, i8* %in.gep
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; GCN-LABEL: {{^}}test_sink_flat_small_max_plus_1_flat_offset:
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; GCN: flat_load_sbyte v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]$}}
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define amdgpu_kernel void @test_sink_flat_small_max_plus_1_flat_offset(i32* %out, i8* %in) #1 {
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entry:
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%out.gep = getelementptr i32, i32* %out, i64 99999
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%in.gep = getelementptr i8, i8* %in, i64 4096
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%tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
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%tmp0 = icmp eq i32 %tid, 0
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br i1 %tmp0, label %endif, label %if
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if:
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%tmp1 = load i8, i8* %in.gep
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%tmp2 = sext i8 %tmp1 to i32
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br label %endif
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endif:
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%x = phi i32 [ %tmp2, %if ], [ 0, %entry ]
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store i32 %x, i32* %out.gep
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br label %done
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done:
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ret void
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}
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; OPT-LABEL: @test_no_sink_flat_reg_offset(
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; OPT: %in.gep = getelementptr i8, i8* %in, i64 %reg
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; OPT: br
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; OPT-NOT: getelementptr
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; OPT: load i8, i8* %in.gep
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; GCN-LABEL: {{^}}test_no_sink_flat_reg_offset:
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; GCN: flat_load_sbyte v{{[0-9]+}}, v{{\[[0-9]+:[0-9]+\]$}}
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define amdgpu_kernel void @test_no_sink_flat_reg_offset(i32* %out, i8* %in, i64 %reg) #1 {
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entry:
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%out.gep = getelementptr i32, i32* %out, i32 1024
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%in.gep = getelementptr i8, i8* %in, i64 %reg
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%tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
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%tmp0 = icmp eq i32 %tid, 0
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br i1 %tmp0, label %endif, label %if
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if:
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%tmp1 = load i8, i8* %in.gep
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%tmp2 = sext i8 %tmp1 to i32
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br label %endif
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endif:
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%x = phi i32 [ %tmp2, %if ], [ 0, %entry ]
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store i32 %x, i32* %out.gep
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br label %done
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done:
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ret void
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}
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declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #0
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attributes #0 = { nounwind readnone }
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attributes #1 = { nounwind }
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attributes #2 = { nounwind argmemonly }
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