507 lines
16 KiB
LLVM
507 lines
16 KiB
LLVM
; RUN: opt -S -codegenprepare -mtriple=amdgcn-unknown-unknown -mcpu=tahiti < %s | FileCheck -check-prefix=OPT -check-prefix=OPT-SI %s
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; RUN: opt -S -codegenprepare -mtriple=amdgcn-unknown-unknown -mcpu=bonaire < %s | FileCheck -check-prefix=OPT -check-prefix=OPT-CI %s
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; RUN: opt -S -codegenprepare -mtriple=amdgcn-unknown-unknown -mcpu=tonga < %s | FileCheck -check-prefix=OPT -check-prefix=OPT-VI %s
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; RUN: llc -march=amdgcn -mcpu=tahiti -mattr=-promote-alloca -amdgpu-sroa=0 < %s | FileCheck -check-prefix=GCN -check-prefix=SI %s
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; RUN: llc -march=amdgcn -mcpu=bonaire -mattr=-promote-alloca -amdgpu-sroa=0 < %s | FileCheck -check-prefix=GCN -check-prefix=CI %s
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; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-promote-alloca -amdgpu-sroa=0 < %s | FileCheck -check-prefix=GCN -check-prefix=VI %s
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; OPT-LABEL: @test_sink_global_small_offset_i32(
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; OPT-CI-NOT: getelementptr i32, i32 addrspace(1)* %in
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; OPT-VI: getelementptr i32, i32 addrspace(1)* %in
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; OPT: br i1
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; OPT-CI: ptrtoint
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; GCN-LABEL: {{^}}test_sink_global_small_offset_i32:
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; GCN: {{^}}BB0_2:
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define void @test_sink_global_small_offset_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in) {
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entry:
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
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%in.gep = getelementptr i32, i32 addrspace(1)* %in, i64 7
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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 i32, i32 addrspace(1)* %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 addrspace(1)* %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_global_small_max_i32_ds_offset(
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; OPT: %in.gep = getelementptr i8, i8 addrspace(1)* %in, i64 65535
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; OPT: br i1
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; GCN-LABEL: {{^}}test_sink_global_small_max_i32_ds_offset:
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; GCN: s_and_saveexec_b64
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; GCN: buffer_load_sbyte {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, s{{[0-9]+$}}
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; GCN: {{^}}BB1_2:
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; GCN: s_or_b64 exec
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define void @test_sink_global_small_max_i32_ds_offset(i32 addrspace(1)* %out, i8 addrspace(1)* %in) {
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entry:
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 99999
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%in.gep = getelementptr i8, i8 addrspace(1)* %in, i64 65535
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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 addrspace(1)* %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 addrspace(1)* %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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; GCN-LABEL: {{^}}test_sink_global_small_max_mubuf_offset:
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; GCN: s_and_saveexec_b64
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; GCN: buffer_load_sbyte {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, 0 offset:4095{{$}}
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; GCN: {{^}}BB2_2:
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; GCN: s_or_b64 exec
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define void @test_sink_global_small_max_mubuf_offset(i32 addrspace(1)* %out, i8 addrspace(1)* %in) {
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entry:
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 1024
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%in.gep = getelementptr i8, i8 addrspace(1)* %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 addrspace(1)* %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 addrspace(1)* %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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; GCN-LABEL: {{^}}test_sink_global_small_max_plus_1_mubuf_offset:
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; GCN: s_and_saveexec_b64
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; GCN: buffer_load_sbyte {{v[0-9]+}}, off, {{s\[[0-9]+:[0-9]+\]}}, s{{[0-9]+$}}
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; GCN: {{^}}BB3_2:
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; GCN: s_or_b64 exec
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define void @test_sink_global_small_max_plus_1_mubuf_offset(i32 addrspace(1)* %out, i8 addrspace(1)* %in) {
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entry:
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 99999
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%in.gep = getelementptr i8, i8 addrspace(1)* %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 addrspace(1)* %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 addrspace(1)* %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_scratch_small_offset_i32(
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; OPT-NOT: getelementptr [512 x i32]
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; OPT: br i1
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; OPT: ptrtoint
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; GCN-LABEL: {{^}}test_sink_scratch_small_offset_i32:
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; GCN: s_and_saveexec_b64
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; GCN: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s[0-9]+}} offen offset:4092{{$}}
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; GCN: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s[0-9]+}} offen offset:4092{{$}}
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; GCN: {{^}}BB4_2:
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define void @test_sink_scratch_small_offset_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %arg) {
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entry:
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%alloca = alloca [512 x i32], align 4
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%out.gep.0 = getelementptr i32, i32 addrspace(1)* %out, i64 999998
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%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i64 999999
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%add.arg = add i32 %arg, 8
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%alloca.gep = getelementptr [512 x i32], [512 x i32]* %alloca, i32 0, i32 1023
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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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store volatile i32 123, i32* %alloca.gep
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%tmp1 = load volatile i32, i32* %alloca.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 addrspace(1)* %out.gep.0
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%load = load volatile i32, i32* %alloca.gep
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store i32 %load, i32 addrspace(1)* %out.gep.1
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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_scratch_large_offset_i32(
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; OPT: %alloca.gep = getelementptr [512 x i32], [512 x i32]* %alloca, i32 0, i32 1024
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; OPT: br i1
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; OPT-NOT: ptrtoint
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; GCN-LABEL: {{^}}test_no_sink_scratch_large_offset_i32:
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; GCN: s_and_saveexec_b64
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; GCN: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s[0-9]+}} offen{{$}}
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; GCN: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, {{s[0-9]+}} offen{{$}}
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; GCN: {{^}}BB5_2:
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define void @test_no_sink_scratch_large_offset_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %arg) {
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entry:
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%alloca = alloca [512 x i32], align 4
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%out.gep.0 = getelementptr i32, i32 addrspace(1)* %out, i64 999998
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%out.gep.1 = getelementptr i32, i32 addrspace(1)* %out, i64 999999
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%add.arg = add i32 %arg, 8
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%alloca.gep = getelementptr [512 x i32], [512 x i32]* %alloca, i32 0, i32 1024
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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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store volatile i32 123, i32* %alloca.gep
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%tmp1 = load volatile i32, i32* %alloca.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 addrspace(1)* %out.gep.0
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%load = load volatile i32, i32* %alloca.gep
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store i32 %load, i32 addrspace(1)* %out.gep.1
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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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; GCN-LABEL: {{^}}test_sink_global_vreg_sreg_i32:
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; GCN: s_and_saveexec_b64
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; CI: buffer_load_dword {{v[0-9]+}}, {{v\[[0-9]+:[0-9]+\]}}, {{s\[[0-9]+:[0-9]+\]}}, 0 addr64{{$}}
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; VI: flat_load_dword v{{[0-9]+}}, v[{{[0-9]+:[0-9]+}}]
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; GCN: {{^}}BB6_2:
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define void @test_sink_global_vreg_sreg_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %offset) {
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entry:
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%offset.ext = zext i32 %offset to i64
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
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%in.gep = getelementptr i32, i32 addrspace(1)* %in, i64 %offset.ext
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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 i32, i32 addrspace(1)* %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 addrspace(1)* %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_constant_small_offset_i32
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; OPT-NOT: getelementptr i32, i32 addrspace(2)*
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; OPT: br i1
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; GCN-LABEL: {{^}}test_sink_constant_small_offset_i32:
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; GCN: s_and_saveexec_b64
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; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0x7{{$}}
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; GCN: s_or_b64 exec, exec
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define void @test_sink_constant_small_offset_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
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entry:
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
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%in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 7
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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 i32, i32 addrspace(2)* %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 addrspace(1)* %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_constant_max_8_bit_offset_i32
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; OPT-NOT: getelementptr i32, i32 addrspace(2)*
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; OPT: br i1
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; GCN-LABEL: {{^}}test_sink_constant_max_8_bit_offset_i32:
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; GCN: s_and_saveexec_b64
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; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0xff{{$}}
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; GCN: s_or_b64 exec, exec
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define void @test_sink_constant_max_8_bit_offset_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
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entry:
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
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%in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 255
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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 i32, i32 addrspace(2)* %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 addrspace(1)* %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_constant_max_8_bit_offset_p1_i32
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; OPT-SI: getelementptr i32, i32 addrspace(2)*
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; OPT-CI-NOT: getelementptr i32, i32 addrspace(2)*
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; OPT-VI-NOT: getelementptr i32, i32 addrspace(2)*
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; OPT: br i1
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; GCN-LABEL: {{^}}test_sink_constant_max_8_bit_offset_p1_i32:
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; GCN: s_and_saveexec_b64
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; SI: s_movk_i32 [[OFFSET:s[0-9]+]], 0x400
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; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, [[OFFSET]]{{$}}
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; GCN: s_or_b64 exec, exec
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define void @test_sink_constant_max_8_bit_offset_p1_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
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entry:
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
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%in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 256
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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 i32, i32 addrspace(2)* %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 addrspace(1)* %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_constant_max_32_bit_offset_i32
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; OPT-SI: getelementptr i32, i32 addrspace(2)*
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; OPT-CI-NOT: getelementptr i32, i32 addrspace(2)*
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; OPT: br i1
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; GCN-LABEL: {{^}}test_sink_constant_max_32_bit_offset_i32:
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; GCN: s_and_saveexec_b64
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; GCN: s_add_u32 s{{[0-9]+}}, s{{[0-9]+}}, -4{{$}}
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; GCN: s_addc_u32 s{{[0-9]+}}, s{{[0-9]+}}, 3{{$}}
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; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0x0{{$}}
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; GCN: s_or_b64 exec, exec
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define void @test_sink_constant_max_32_bit_offset_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
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entry:
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
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%in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 4294967295
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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 i32, i32 addrspace(2)* %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 addrspace(1)* %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_constant_max_32_bit_offset_p1_i32
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; OPT: getelementptr i32, i32 addrspace(2)*
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; OPT: br i1
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; GCN-LABEL: {{^}}test_sink_constant_max_32_bit_offset_p1_i32:
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; GCN: s_and_saveexec_b64
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; GCN: s_add_u32
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; GCN: s_addc_u32
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; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0x0{{$}}
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; GCN: s_or_b64 exec, exec
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define void @test_sink_constant_max_32_bit_offset_p1_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
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entry:
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%out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
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%in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 17179869181
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%tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
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%tmp0 = icmp eq i32 %tid, 0
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br i1 %tmp0, label %endif, label %if
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if:
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%tmp1 = load i32, i32 addrspace(2)* %in.gep
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br label %endif
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endif:
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%x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
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store i32 %x, i32 addrspace(1)* %out.gep
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br label %done
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done:
|
|
ret void
|
|
}
|
|
|
|
; GCN-LABEL: {{^}}test_sink_constant_max_20_bit_byte_offset_i32:
|
|
; GCN: s_and_saveexec_b64
|
|
; SI: s_mov_b32 [[OFFSET:s[0-9]+]], 0xffffc{{$}}
|
|
; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, [[OFFSET]]{{$}}
|
|
|
|
; CI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0x3ffff{{$}}
|
|
; VI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0xffffc{{$}}
|
|
|
|
; GCN: s_or_b64 exec, exec
|
|
define void @test_sink_constant_max_20_bit_byte_offset_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
|
|
entry:
|
|
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
|
|
%in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 262143
|
|
%tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
|
|
%tmp0 = icmp eq i32 %tid, 0
|
|
br i1 %tmp0, label %endif, label %if
|
|
|
|
if:
|
|
%tmp1 = load i32, i32 addrspace(2)* %in.gep
|
|
br label %endif
|
|
|
|
endif:
|
|
%x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
|
|
store i32 %x, i32 addrspace(1)* %out.gep
|
|
br label %done
|
|
|
|
done:
|
|
ret void
|
|
}
|
|
|
|
; OPT-LABEL: @test_sink_constant_max_20_bit_byte_offset_p1_i32
|
|
; OPT-SI: getelementptr i32, i32 addrspace(2)*
|
|
; OPT-CI-NOT: getelementptr i32, i32 addrspace(2)*
|
|
; OPT-VI: getelementptr i32, i32 addrspace(2)*
|
|
; OPT: br i1
|
|
|
|
; GCN-LABEL: {{^}}test_sink_constant_max_20_bit_byte_offset_p1_i32:
|
|
; GCN: s_and_saveexec_b64
|
|
; SI: s_mov_b32 [[OFFSET:s[0-9]+]], 0x100000{{$}}
|
|
; SI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, [[OFFSET]]{{$}}
|
|
|
|
; CI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, 0x40000{{$}}
|
|
|
|
; VI: s_mov_b32 [[OFFSET:s[0-9]+]], 0x100000{{$}}
|
|
; VI: s_load_dword s{{[0-9]+}}, {{s\[[0-9]+:[0-9]+\]}}, [[OFFSET]]{{$}}
|
|
|
|
; GCN: s_or_b64 exec, exec
|
|
define void @test_sink_constant_max_20_bit_byte_offset_p1_i32(i32 addrspace(1)* %out, i32 addrspace(2)* %in) {
|
|
entry:
|
|
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i64 999999
|
|
%in.gep = getelementptr i32, i32 addrspace(2)* %in, i64 262144
|
|
%tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
|
|
%tmp0 = icmp eq i32 %tid, 0
|
|
br i1 %tmp0, label %endif, label %if
|
|
|
|
if:
|
|
%tmp1 = load i32, i32 addrspace(2)* %in.gep
|
|
br label %endif
|
|
|
|
endif:
|
|
%x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
|
|
store i32 %x, i32 addrspace(1)* %out.gep
|
|
br label %done
|
|
|
|
done:
|
|
ret void
|
|
}
|
|
|
|
%struct.foo = type { [3 x float], [3 x float] }
|
|
|
|
; OPT-LABEL: @sink_ds_address(
|
|
; OPT: ptrtoint %struct.foo addrspace(3)* %ptr to i64
|
|
|
|
; GCN-LABEL: {{^}}sink_ds_address:
|
|
; GCN: s_load_dword [[SREG1:s[0-9]+]],
|
|
; GCN: v_mov_b32_e32 [[VREG1:v[0-9]+]], [[SREG1]]
|
|
; GCN-DAG: ds_read2_b32 v[{{[0-9+:[0-9]+}}], [[VREG1]] offset0:3 offset1:5
|
|
define void @sink_ds_address(%struct.foo addrspace(3)* nocapture %ptr) nounwind {
|
|
entry:
|
|
%x = getelementptr inbounds %struct.foo, %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 0
|
|
%y = getelementptr inbounds %struct.foo, %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 2
|
|
br label %bb32
|
|
|
|
bb32:
|
|
%a = load float, float addrspace(3)* %x, align 4
|
|
%b = load float, float addrspace(3)* %y, align 4
|
|
%cmp = fcmp one float %a, %b
|
|
br i1 %cmp, label %bb34, label %bb33
|
|
|
|
bb33:
|
|
unreachable
|
|
|
|
bb34:
|
|
unreachable
|
|
}
|
|
|
|
; Address offset is not a multiple of 4. This is a valid mubuf offset,
|
|
; but not smrd.
|
|
|
|
; OPT-LABEL: @test_sink_constant_small_max_mubuf_offset_load_i32_align_1(
|
|
; OPT: br i1 %tmp0,
|
|
; OPT: if:
|
|
; OPT: %sunkaddr = ptrtoint i8 addrspace(2)* %in to i64
|
|
; OPT: %sunkaddr1 = add i64 %sunkaddr, 4095
|
|
define void @test_sink_constant_small_max_mubuf_offset_load_i32_align_1(i32 addrspace(1)* %out, i8 addrspace(2)* %in) {
|
|
entry:
|
|
%out.gep = getelementptr i32, i32 addrspace(1)* %out, i32 1024
|
|
%in.gep = getelementptr i8, i8 addrspace(2)* %in, i64 4095
|
|
%tid = call i32 @llvm.amdgcn.mbcnt.lo(i32 -1, i32 0) #0
|
|
%tmp0 = icmp eq i32 %tid, 0
|
|
br i1 %tmp0, label %endif, label %if
|
|
|
|
if:
|
|
%bitcast = bitcast i8 addrspace(2)* %in.gep to i32 addrspace(2)*
|
|
%tmp1 = load i32, i32 addrspace(2)* %bitcast, align 1
|
|
br label %endif
|
|
|
|
endif:
|
|
%x = phi i32 [ %tmp1, %if ], [ 0, %entry ]
|
|
store i32 %x, i32 addrspace(1)* %out.gep
|
|
br label %done
|
|
|
|
done:
|
|
ret void
|
|
}
|
|
|
|
declare i32 @llvm.amdgcn.mbcnt.lo(i32, i32) #0
|
|
|
|
attributes #0 = { nounwind readnone }
|
|
attributes #1 = { nounwind }
|