forked from OSchip/llvm-project
57 lines
2.7 KiB
LLVM
57 lines
2.7 KiB
LLVM
; RUN: llc -O0 -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -amdgpu-s-branch-bits=4 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; Make sure there is no assertion due to dbg_value instructions
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; present in the block used for the branch expansion.
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declare void @llvm.dbg.value(metadata, metadata, metadata) #0
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define amdgpu_kernel void @long_branch_dbg_value(float addrspace(1)* nocapture %arg, float %arg1) #1 !dbg !5 {
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; GCN-LABEL: long_branch_dbg_value:
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; GCN: BB0_4: ; %bb
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; GCN-NEXT: ;DEBUG_VALUE: test_debug_value:globalptr_arg <- [DW_OP_plus_uconst 12, DW_OP_stack_value]
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; GCN-NEXT: .loc 1 0 42 is_stmt 0 ; /tmp/test_debug_value.cl:0:42
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; GCN-NEXT: s_getpc_b64 s{{\[}}[[PC_LO:[0-9]+]]:[[PC_HI:[0-9]+]]{{\]}}
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; GCN-NEXT: s_add_u32 s[[PC_LO]], s[[PC_LO]], BB0_3-(BB0_4+4)
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; GCN-NEXT: s_addc_u32 s[[PC_HI]], s[[PC_HI]], 0
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; GCN-NEXT: s_setpc_b64
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bb:
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%tmp = fmul float %arg1, %arg1
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%tmp2 = getelementptr inbounds float, float addrspace(1)* %arg, i64 3
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call void @llvm.dbg.value(metadata float addrspace(1)* %tmp2, metadata !11, metadata !DIExpression()) #2, !dbg !12
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store float %tmp, float addrspace(1)* %tmp2, align 4, !dbg !12
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%tmp3 = fcmp olt float %tmp, 0x3810000000000000
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br i1 %tmp3, label %bb8, label %bb4
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bb4: ; preds = %bb
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%tmp5 = load volatile float, float addrspace(1)* undef
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%tmp6 = fcmp oeq float %tmp5, 0x7FF0000000000000
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br i1 %tmp6, label %bb7, label %bb8
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bb7: ; preds = %bb4
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br label %bb8
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bb8: ; preds = %bb7, %bb4, %bb
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ret void
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}
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attributes #0 = { nounwind readnone speculatable }
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attributes #1 = { nounwind writeonly }
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attributes #2 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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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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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = distinct !DISubprogram(name: "test_debug_value", scope: !1, file: !1, line: 1, type: !6, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !10)
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!6 = !DISubroutineType(types: !7)
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!7 = !{null, !8}
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!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64, align: 32)
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!9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!10 = !{!11}
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!11 = !DILocalVariable(name: "globalptr_arg", arg: 1, scope: !5, file: !1, line: 1, type: !8)
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!12 = !DILocation(line: 1, column: 42, scope: !5)
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