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82 lines
2.7 KiB
LLVM
82 lines
2.7 KiB
LLVM
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; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck %s
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declare i32 @llvm.read_register.i32(metadata) #0
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declare i64 @llvm.read_register.i64(metadata) #0
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; CHECK-LABEL: {{^}}test_read_m0:
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; CHECK: s_mov_b32 m0, -1
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; CHECK: v_mov_b32_e32 [[COPY:v[0-9]+]], m0
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; CHECK: buffer_store_dword [[COPY]]
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define void @test_read_m0(i32 addrspace(1)* %out) #0 {
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store volatile i32 0, i32 addrspace(3)* undef
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%m0 = call i32 @llvm.read_register.i32(metadata !0)
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store i32 %m0, i32 addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: {{^}}test_read_exec:
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; CHECK: v_mov_b32_e32 v[[LO:[0-9]+]], exec_lo
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; CHECK: v_mov_b32_e32 v[[HI:[0-9]+]], exec_hi
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; CHECK: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
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define void @test_read_exec(i64 addrspace(1)* %out) #0 {
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%exec = call i64 @llvm.read_register.i64(metadata !1)
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store i64 %exec, i64 addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: {{^}}test_read_flat_scratch:
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; CHECK: v_mov_b32_e32 v[[LO:[0-9]+]], flat_scratch_lo
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; CHECK: v_mov_b32_e32 v[[HI:[0-9]+]], flat_scratch_hi
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; CHECK: buffer_store_dwordx2 v{{\[}}[[LO]]:[[HI]]{{\]}}
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define void @test_read_flat_scratch(i64 addrspace(1)* %out) #0 {
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%flat_scratch = call i64 @llvm.read_register.i64(metadata !2)
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store i64 %flat_scratch, i64 addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: {{^}}test_read_flat_scratch_lo:
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; CHECK: v_mov_b32_e32 [[COPY:v[0-9]+]], flat_scratch_lo
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; CHECK: buffer_store_dword [[COPY]]
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define void @test_read_flat_scratch_lo(i32 addrspace(1)* %out) #0 {
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%flat_scratch_lo = call i32 @llvm.read_register.i32(metadata !3)
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store i32 %flat_scratch_lo, i32 addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: {{^}}test_read_flat_scratch_hi:
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; CHECK: v_mov_b32_e32 [[COPY:v[0-9]+]], flat_scratch_hi
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; CHECK: buffer_store_dword [[COPY]]
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define void @test_read_flat_scratch_hi(i32 addrspace(1)* %out) #0 {
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%flat_scratch_hi = call i32 @llvm.read_register.i32(metadata !4)
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store i32 %flat_scratch_hi, i32 addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: {{^}}test_read_exec_lo:
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; CHECK: v_mov_b32_e32 [[COPY:v[0-9]+]], exec_lo
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; CHECK: buffer_store_dword [[COPY]]
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define void @test_read_exec_lo(i32 addrspace(1)* %out) #0 {
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%exec_lo = call i32 @llvm.read_register.i32(metadata !5)
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store i32 %exec_lo, i32 addrspace(1)* %out
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ret void
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}
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; CHECK-LABEL: {{^}}test_read_exec_hi:
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; CHECK: v_mov_b32_e32 [[COPY:v[0-9]+]], exec_hi
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; CHECK: buffer_store_dword [[COPY]]
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define void @test_read_exec_hi(i32 addrspace(1)* %out) #0 {
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%exec_hi = call i32 @llvm.read_register.i32(metadata !6)
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store i32 %exec_hi, i32 addrspace(1)* %out
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ret void
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}
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attributes #0 = { nounwind }
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!0 = !{!"m0"}
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!1 = !{!"exec"}
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!2 = !{!"flat_scratch"}
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!3 = !{!"flat_scratch_lo"}
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!4 = !{!"flat_scratch_hi"}
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!5 = !{!"exec_lo"}
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!6 = !{!"exec_hi"}
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