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