derek.holloway
7502bf64a4
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121 lines
6.0 KiB
LLVM
121 lines
6.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-globals all --version 6
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; RUN: opt -S -mtriple=amdgcn-- -passes=amdgpu-lower-exec-sync,amdgpu-lower-module-lds < %s 2>&1 | FileCheck %s
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; RUN: llc < %s -enable-new-pm -stop-after=amdgpu-lower-module-lds -mtriple=amdgcn-amd-amdhsa | FileCheck %s
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; Test to ensure that LDS variables like named barriers are lowered correctly,
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; where amdgpu-lower-module-lds pass runs in pipeline after amdgpu-lower-exec-sync pass.
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%class.ExpAmdWorkgroupWaveBarrier = type { target("amdgcn.named.barrier", 0) }
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@bar2 = internal addrspace(3) global [2 x target("amdgcn.named.barrier", 0)] poison
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@bar3 = internal addrspace(3) global target("amdgcn.named.barrier", 0) poison
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@bar1 = internal addrspace(3) global [4 x %class.ExpAmdWorkgroupWaveBarrier] poison
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@lds1 = internal addrspace(3) global [1 x i8] poison, align 4
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;.
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; CHECK: @bar2 = internal addrspace(3) global [2 x target("amdgcn.named.barrier", 0)] poison, !absolute_symbol [[META0:![0-9]+]]
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; CHECK: @bar3 = internal addrspace(3) global target("amdgcn.named.barrier", 0) poison, !absolute_symbol [[META1:![0-9]+]]
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; CHECK: @bar1 = internal addrspace(3) global [4 x %class.ExpAmdWorkgroupWaveBarrier] poison, !absolute_symbol [[META2:![0-9]+]]
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; CHECK: @llvm.amdgcn.module.lds = internal addrspace(3) global %llvm.amdgcn.module.lds.t poison, align 4, !absolute_symbol [[META3:![0-9]+]]
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; CHECK: @llvm.compiler.used = appending addrspace(1) global [1 x ptr] [ptr addrspacecast (ptr addrspace(3) @llvm.amdgcn.module.lds to ptr)], section "llvm.metadata"
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;.
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define void @func1() #0 {
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; CHECK-LABEL: define void @func1(
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; CHECK-SAME: ) #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier.join(ptr addrspace(3) @bar3)
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier.signal.var(ptr addrspace(3) @bar3, i32 7)
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier.wait(i16 1)
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; CHECK-NEXT: ret void
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;
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call void @llvm.amdgcn.s.barrier.join(ptr addrspace(3) @bar3)
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call void @llvm.amdgcn.s.barrier.signal.var(ptr addrspace(3) @bar3, i32 7)
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call void @llvm.amdgcn.s.barrier.wait(i16 1)
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ret void
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}
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define void @func2() #0 {
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; CHECK-LABEL: define void @func2(
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; CHECK-SAME: ) #[[ATTR0]] {
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier.join(ptr addrspace(3) @bar2)
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier.signal.var(ptr addrspace(3) @bar2, i32 7)
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier.wait(i16 1)
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; CHECK-NEXT: store i8 7, ptr addrspace(3) @llvm.amdgcn.module.lds, align 4
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; CHECK-NEXT: ret void
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;
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call void @llvm.amdgcn.s.barrier.join(ptr addrspace(3) @bar2)
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call void @llvm.amdgcn.s.barrier.signal.var(ptr addrspace(3) @bar2, i32 7)
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call void @llvm.amdgcn.s.barrier.wait(i16 1)
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store i8 7, ptr addrspace(3) @lds1, align 4
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ret void
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}
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define amdgpu_kernel void @kernel1() #0 {
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; CHECK-LABEL: define amdgpu_kernel void @kernel1(
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; CHECK-SAME: ) #[[ATTR1:[0-9]+]] {
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; CHECK-NEXT: call void @llvm.donothing() [ "ExplicitUse"(ptr addrspace(3) @llvm.amdgcn.module.lds) ]
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier.join(ptr addrspace(3) @bar1)
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier.signal.var(ptr addrspace(3) @bar1, i32 11)
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier.wait(i16 1)
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; CHECK-NEXT: [[STATE:%.*]] = call i32 @llvm.amdgcn.s.get.named.barrier.state(ptr addrspace(3) @bar1)
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier()
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; CHECK-NEXT: call void @func1()
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; CHECK-NEXT: call void @func2()
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; CHECK-NEXT: store i8 9, ptr addrspace(3) @llvm.amdgcn.module.lds, align 4
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; CHECK-NEXT: ret void
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;
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call void @llvm.amdgcn.s.barrier.join(ptr addrspace(3) @bar1)
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call void @llvm.amdgcn.s.barrier.signal.var(ptr addrspace(3) @bar1, i32 11)
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call void @llvm.amdgcn.s.barrier.wait(i16 1)
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%state = call i32 @llvm.amdgcn.s.get.named.barrier.state(ptr addrspace(3) @bar1)
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call void @llvm.amdgcn.s.barrier()
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call void @func1()
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call void @func2()
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store i8 9, ptr addrspace(3) @lds1, align 4
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ret void
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}
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define amdgpu_kernel void @kernel2() #0 {
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; CHECK-LABEL: define amdgpu_kernel void @kernel2(
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; CHECK-SAME: ) #[[ATTR1]] {
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; CHECK-NEXT: call void @llvm.donothing() [ "ExplicitUse"(ptr addrspace(3) @llvm.amdgcn.module.lds) ]
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier.join(ptr addrspace(3) @bar1)
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier.signal.var(ptr addrspace(3) @bar1, i32 9)
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; CHECK-NEXT: call void @llvm.amdgcn.s.barrier.wait(i16 1)
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; CHECK-NEXT: call void @func2()
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; CHECK-NEXT: store i8 10, ptr addrspace(3) @llvm.amdgcn.module.lds, align 4
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; CHECK-NEXT: ret void
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;
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call void @llvm.amdgcn.s.barrier.join(ptr addrspace(3) @bar1)
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call void @llvm.amdgcn.s.barrier.signal.var(ptr addrspace(3) @bar1, i32 9)
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call void @llvm.amdgcn.s.barrier.wait(i16 1)
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call void @func2()
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store i8 10, ptr addrspace(3) @lds1, align 4
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ret void
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}
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declare void @llvm.amdgcn.s.barrier() #1
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declare void @llvm.amdgcn.s.barrier.wait(i16) #1
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declare void @llvm.amdgcn.s.barrier.signal(i32) #1
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declare void @llvm.amdgcn.s.barrier.signal.var(ptr addrspace(3), i32) #1
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declare i1 @llvm.amdgcn.s.barrier.signal.isfirst(i32) #1
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declare void @llvm.amdgcn.s.barrier.init(ptr addrspace(3), i32) #1
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declare void @llvm.amdgcn.s.barrier.join(ptr addrspace(3)) #1
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declare void @llvm.amdgcn.s.barrier.leave(i16) #1
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declare void @llvm.amdgcn.s.wakeup.barrier(ptr addrspace(3)) #1
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declare i32 @llvm.amdgcn.s.get.named.barrier.state(ptr addrspace(3)) #1
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attributes #0 = { nounwind }
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attributes #1 = { convergent nounwind }
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attributes #2 = { nounwind readnone }
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;.
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; CHECK: attributes #[[ATTR0]] = { nounwind }
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; CHECK: attributes #[[ATTR1]] = { nounwind "amdgpu-lds-size"="1" }
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; CHECK: attributes #[[ATTR2:[0-9]+]] = { convergent nocallback nofree nounwind willreturn }
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; CHECK: attributes #[[ATTR3:[0-9]+]] = { nocallback nofree nosync nounwind willreturn memory(none) }
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;.
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; CHECK: [[META0]] = !{i32 8396880, i32 8396881}
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; CHECK: [[META1]] = !{i32 8396912, i32 8396913}
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; CHECK: [[META2]] = !{i32 8396816, i32 8396817}
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; CHECK: [[META3]] = !{i32 0, i32 1}
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;.
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