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30967b5c23
This is not in the list of valid inputs for the encoding. When spilling, copies from exec can be folded directly into the spill instruction which results in broken stores. This only fixes the operand constraints, more codegen work is required to avoid emitting the invalid spills. This sort of breaks the dbg.value test. Because the register class of the s_load_dwordx2 changes, there is a copy to SReg_64, and the copy is the operand of dbg_value. The copy is later dead, and removed from the dbg_value. llvm-svn: 288191
41 lines
1.9 KiB
LLVM
41 lines
1.9 KiB
LLVM
; RUN: llc -O0 -march=amdgcn -mtriple=amdgcn-unknown-amdhsa -verify-machineinstrs -mattr=-flat-for-global < %s | FileCheck %s
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; CHECK-LABEL: {{^}}test_debug_value:
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; CHECK: s_load_dwordx2 s[4:5]
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; FIXME: Why is the SGPR4_SGPR5 reference being removed from DBG_VALUE?
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; CHECK: ; kill: %SGPR4_SGPR5<def> %SGPR4_SGPR5<kill>
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; CHECK-NEXT: ;DEBUG_VALUE: test_debug_value:globalptr_arg <- undef
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; CHECK: buffer_store_dword
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; CHECK: s_endpgm
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define void @test_debug_value(i32 addrspace(1)* nocapture %globalptr_arg) #0 !dbg !4 {
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entry:
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tail call void @llvm.dbg.value(metadata i32 addrspace(1)* %globalptr_arg, i64 0, metadata !10, metadata !13), !dbg !14
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store i32 123, i32 addrspace(1)* %globalptr_arg, align 4
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ret void
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}
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!11, !12}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 244715) (llvm/trunk 244718)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "/tmp/test_debug_value.cl", directory: "/Users/matt/src/llvm/build_debug")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "test_debug_value", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !9)
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!5 = !DISubroutineType(types: !6)
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!6 = !{null, !7}
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!7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64, align: 32)
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!8 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !{!10}
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!10 = !DILocalVariable(name: "globalptr_arg", arg: 1, scope: !4, file: !1, line: 1, type: !7)
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!11 = !{i32 2, !"Dwarf Version", i32 4}
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!12 = !{i32 2, !"Debug Info Version", i32 3}
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!13 = !DIExpression()
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!14 = !DILocation(line: 1, column: 42, scope: !4)
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