eaa460ca49
The verifier ensures function !dbg metadata is unique across the module, so ensure the old nameless function we leave behind doesn't violate this invariant. Removing the function via e.g. eraseFromParent seems like a better option, but doesn't seem to be legal from a FunctionPass.
34 lines
1.7 KiB
LLVM
34 lines
1.7 KiB
LLVM
; RUN: opt -mtriple=amdgcn-amd-amdhsa -mcpu=gfx940 -passes='amdgpu-attributor,function(amdgpu-lower-kernel-arguments)' -amdgpu-kernarg-preload-count=16 -S < %s 2>&1 \
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; RUN: | FileCheck --match-full-lines --implicit-check-not='declare' %s
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; Confirms we do not leave behind a declaration which references the same
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; DISubprogram metadata.
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; CHECK: define amdgpu_kernel void @preload_block_count_x{{.*}} !dbg ![[#]] !max_work_group_size ![[#]] {
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; CHECK: declare void @0{{.*}} #[[#]]
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; CHECK: declare noundef align 4 ptr addrspace(4) @llvm.amdgcn.implicitarg.ptr() #[[#]]
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; CHECK: declare noundef align 4 ptr addrspace(4) @llvm.amdgcn.kernarg.segment.ptr() #[[#]]
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define amdgpu_kernel void @preload_block_count_x(ptr addrspace(1) %out) !dbg !4 !max_work_group_size !7 {
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%imp_arg_ptr = call ptr addrspace(4) @llvm.amdgcn.implicitarg.ptr()
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%load = load i32, ptr addrspace(4) %imp_arg_ptr, align 4
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store i32 %load, ptr addrspace(1) %out, align 4
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ret void
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}
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declare noundef align 4 ptr addrspace(4) @llvm.amdgcn.implicitarg.ptr() #0
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attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2, !3}
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!0 = distinct !DICompileUnit(language: DW_LANG_OpenCL, file: !1, producer: "clang", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug)
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!1 = !DIFile(filename: "<stdin>", directory: "/")
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!2 = !{i32 7, !"Dwarf Version", i32 5}
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!3 = !{i32 2, !"Debug Info Version", i32 3}
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!4 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 1, type: !5, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0)
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!5 = !DISubroutineType(cc: DW_CC_LLVM_OpenCLKernel, types: !6)
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!6 = !{null}
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!7 = !{i32 1024, i32 1, i32 1}
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