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96 lines
4.0 KiB
LLVM
96 lines
4.0 KiB
LLVM
; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=fiji < %s | FileCheck %s
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; Make sure we do not crash during scheduling when DBG_VALUE is the first
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; instruction in the basic block.
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; LLVM IR generated with the following command and OpenCL source:
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;
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; $clang -cl-std=CL2.0 -g -O2 -target amdgcn-amd-amdhsa -S -emit-llvm <path-to-file>
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;
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; kernel void kernel1(global int *A, global int *B) {
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; if (*A == 1) {
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; *B = 12;
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; }
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; if (*A == 2) {
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; *B = 13;
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; }
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; }
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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; CHECK-LABEL: {{^}}kernel1:
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define amdgpu_kernel void @kernel1(
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i32 addrspace(1)* nocapture readonly %A,
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i32 addrspace(1)* nocapture %B) !dbg !7 {
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entry:
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tail call void @llvm.dbg.value(metadata i32 addrspace(1)* %A, metadata !13, metadata !19), !dbg !20
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tail call void @llvm.dbg.value(metadata i32 addrspace(1)* %B, metadata !14, metadata !19), !dbg !21
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%0 = load i32, i32 addrspace(1)* %A, align 4, !dbg !22, !tbaa !24
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%cmp = icmp eq i32 %0, 1, !dbg !28
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br i1 %cmp, label %if.then, label %if.end, !dbg !29
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if.then: ; preds = %entry
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store i32 12, i32 addrspace(1)* %B, align 4, !dbg !30, !tbaa !24
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%.pr = load i32, i32 addrspace(1)* %A, align 4, !dbg !32, !tbaa !24
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br label %if.end, !dbg !34
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if.end: ; preds = %if.then, %entry
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%1 = phi i32 [ %.pr, %if.then ], [ %0, %entry ], !dbg !32
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%cmp1 = icmp eq i32 %1, 2, !dbg !35
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br i1 %cmp1, label %if.then2, label %if.end3, !dbg !36
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if.then2: ; preds = %if.end
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store i32 13, i32 addrspace(1)* %B, align 4, !dbg !37, !tbaa !24
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br label %if.end3, !dbg !39
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if.end3: ; preds = %if.then2, %if.end
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ret void, !dbg !40
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}
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!llvm.dbg.cu = !{!0}
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!opencl.ocl.version = !{!3}
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!llvm.module.flags = !{!4, !5}
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!llvm.ident = !{!6}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 4.0 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "dbg-value-sched-crash.cl", directory: "/some/random/directory")
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!2 = !{}
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!3 = !{i32 2, i32 0}
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!4 = !{i32 2, !"Dwarf Version", i32 2}
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!5 = !{i32 2, !"Debug Info Version", i32 3}
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!6 = !{!"clang version 4.0 "}
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!7 = distinct !DISubprogram(name: "kernel1", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !12)
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!8 = !DISubroutineType(types: !9)
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!9 = !{null, !10, !10}
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!10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
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!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!12 = !{!13, !14}
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!13 = !DILocalVariable(name: "A", arg: 1, scope: !7, file: !1, line: 1, type: !10)
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!14 = !DILocalVariable(name: "B", arg: 2, scope: !7, file: !1, line: 1, type: !10)
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!15 = !{i32 1, i32 1}
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!16 = !{!"none", !"none"}
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!17 = !{!"int*", !"int*"}
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!18 = !{!"", !""}
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!19 = !DIExpression(DW_OP_constu, 1, DW_OP_swap, DW_OP_xderef)
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!20 = !DILocation(line: 1, column: 33, scope: !7)
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!21 = !DILocation(line: 1, column: 48, scope: !7)
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!22 = !DILocation(line: 2, column: 7, scope: !23)
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!23 = distinct !DILexicalBlock(scope: !7, file: !1, line: 2, column: 7)
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!24 = !{!25, !25, i64 0}
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!25 = !{!"int", !26, i64 0}
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!26 = !{!"omnipotent char", !27, i64 0}
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!27 = !{!"Simple C/C++ TBAA"}
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!28 = !DILocation(line: 2, column: 10, scope: !23)
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!29 = !DILocation(line: 2, column: 7, scope: !7)
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!30 = !DILocation(line: 3, column: 8, scope: !31)
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!31 = distinct !DILexicalBlock(scope: !23, file: !1, line: 2, column: 16)
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!32 = !DILocation(line: 5, column: 7, scope: !33)
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!33 = distinct !DILexicalBlock(scope: !7, file: !1, line: 5, column: 7)
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!34 = !DILocation(line: 4, column: 3, scope: !31)
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!35 = !DILocation(line: 5, column: 10, scope: !33)
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!36 = !DILocation(line: 5, column: 7, scope: !7)
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!37 = !DILocation(line: 6, column: 8, scope: !38)
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!38 = distinct !DILexicalBlock(scope: !33, file: !1, line: 5, column: 16)
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!39 = !DILocation(line: 7, column: 3, scope: !38)
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!40 = !DILocation(line: 8, column: 1, scope: !7)
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