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-rw-r--r--polly/lib/CodeGen/BlockGenerators.cpp8
-rw-r--r--polly/test/GPGPU/debug-metadata-leak.ll104
2 files changed, 0 insertions, 112 deletions
diff --git a/polly/lib/CodeGen/BlockGenerators.cpp b/polly/lib/CodeGen/BlockGenerators.cpp
index b226bd964a2..5b01f950892 100644
--- a/polly/lib/CodeGen/BlockGenerators.cpp
+++ b/polly/lib/CodeGen/BlockGenerators.cpp
@@ -234,14 +234,6 @@ void BlockGenerator::copyInstScalar(ScopStmt &Stmt, Instruction *Inst,
NewInst->replaceUsesOfWith(OldOperand, NewOperand);
}
- // When copying the instruction onto the Module meant for the GPU,
- // debug metadata attached to an instruction causes all related
- // metadata to be pulled into the Module. This includes the DICompileUnit,
- // which will not be listed in llvm.dbg.cu of the Module since the Module
- // doesn't contain one. This fails the verification of the Module and the
- // subsequent generation of the ASM string.
- NewInst->setDebugLoc(llvm::DebugLoc());
-
Builder.Insert(NewInst);
BBMap[Inst] = NewInst;
diff --git a/polly/test/GPGPU/debug-metadata-leak.ll b/polly/test/GPGPU/debug-metadata-leak.ll
deleted file mode 100644
index 2145924086a..00000000000
--- a/polly/test/GPGPU/debug-metadata-leak.ll
+++ /dev/null
@@ -1,104 +0,0 @@
-; RUN: opt %loadPolly %s -polly-process-unprofitable -polly-codegen-ppcg -polly-acc-dump-kernel-ir \
-; RUN: | FileCheck --check-prefix=KERNEL-IR %s
-
-; REQUIRES: pollyacc
-
-; KERNEL-IR: define ptx_kernel void @FUNC_vec_add_1_SCOP_0_KERNEL_0(i8 addrspace(1)* %MemRef_arr, i32 %N) #0 {
-
-; The instruction marked <<<LeakyInst>>> is copied into the GPUModule,
-; with changes only to the parameters to access data on the device instead of
-; the host, i.e., MemRef_arr becomes polly.access.cast.MemRef_arr. Since the
-; instruction is annotated with a DILocation, copying the instruction also copies
-; the metadata into the GPUModule. This stops codegenerating the ptx_kernel by
-; failing the verification of the Module in GPUNodeBuilder::finalize, due to the
-; copied DICompileUnit not being listed in a llvm.dbg.cu which was neither copied
-; nor created.
-;
-; https://reviews.llvm.org/D35630 removes this debug metadata before the
-; instruction is copied to the GPUModule.
-;
-; vec_add_1.c:
-; void vec_add_1(int N, int arr[N]) {
-; int i=0;
-; for( i=0 ; i<N ; i++) arr[i] += 1;
-; }
-;
-source_filename = "vec_add_1.c"
-target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-unknown-linux-gnu"
-
-define void @vec_add_1(i32 %N, i32* %arr) !dbg !7 {
-entry:
- call void @llvm.dbg.value(metadata i32 %N, i64 0, metadata !13, metadata !16), !dbg !17
- call void @llvm.dbg.value(metadata i32* %arr, i64 0, metadata !14, metadata !16), !dbg !18
- call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !15, metadata !16), !dbg !19
- %tmp = sext i32 %N to i64, !dbg !20
- br label %for.cond, !dbg !20
-
-for.cond: ; preds = %for.inc, %entry
- %indvars.iv = phi i64 [ %indvars.iv.next, %for.inc ], [ 0, %entry ]
- call void @llvm.dbg.value(metadata i32 undef, i64 0, metadata !15, metadata !16), !dbg !19
- %cmp = icmp slt i64 %indvars.iv, %tmp, !dbg !22
- br i1 %cmp, label %for.body, label %for.end, !dbg !24
-
-for.body: ; preds = %for.cond
- %arrayidx = getelementptr inbounds i32, i32* %arr, i64 %indvars.iv, !dbg !25
- %tmp1 = load i32, i32* %arrayidx, align 4, !dbg !26, !tbaa !27
- %add = add nsw i32 %tmp1, 1, !dbg !26 ; <<<LeakyInst>>>
- store i32 %add, i32* %arrayidx, align 4, !dbg !26, !tbaa !27
- br label %for.inc, !dbg !25
-
-for.inc: ; preds = %for.body
- %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !31
- call void @llvm.dbg.value(metadata !2, i64 0, metadata !15, metadata !16), !dbg !19
- br label %for.cond, !dbg !32, !llvm.loop !33
-
-for.end: ; preds = %for.cond
- ret void, !dbg !35
-}
-
-declare void @llvm.dbg.declare(metadata, metadata, metadata)
-
-declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
-
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!3, !4, !5}
-!llvm.ident = !{!6}
-
-!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 5.0.0 (http://llvm.org/git/clang.git 23e042ffe07a923db2dbebf4d2a3692c5a454fee) (http://llvm.org/git/llvm.git 39c5686a1f54884f12120927b1753a750fdb5e02)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
-!1 = !DIFile(filename: "vec_add_1.c", directory: "/tmp")
-!2 = !{}
-!3 = !{i32 2, !"Dwarf Version", i32 4}
-!4 = !{i32 2, !"Debug Info Version", i32 3}
-!5 = !{i32 1, !"wchar_size", i32 4}
-!6 = !{!"clang version 5.0.0 (http://llvm.org/git/clang.git 23e042ffe07a923db2dbebf4d2a3692c5a454fee) (http://llvm.org/git/llvm.git 39c5686a1f54884f12120927b1753a750fdb5e02)"}
-!7 = distinct !DISubprogram(name: "vec_add_1", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !12)
-!8 = !DISubroutineType(types: !9)
-!9 = !{null, !10, !11}
-!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
-!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64)
-!12 = !{!13, !14, !15}
-!13 = !DILocalVariable(name: "N", arg: 1, scope: !7, file: !1, line: 1, type: !10)
-!14 = !DILocalVariable(name: "arr", arg: 2, scope: !7, file: !1, line: 1, type: !11)
-!15 = !DILocalVariable(name: "i", scope: !7, file: !1, line: 2, type: !10)
-!16 = !DIExpression()
-!17 = !DILocation(line: 1, column: 20, scope: !7)
-!18 = !DILocation(line: 1, column: 27, scope: !7)
-!19 = !DILocation(line: 2, column: 7, scope: !7)
-!20 = !DILocation(line: 3, column: 8, scope: !21)
-!21 = distinct !DILexicalBlock(scope: !7, file: !1, line: 3, column: 3)
-!22 = !DILocation(line: 3, column: 15, scope: !23)
-!23 = distinct !DILexicalBlock(scope: !21, file: !1, line: 3, column: 3)
-!24 = !DILocation(line: 3, column: 3, scope: !21)
-!25 = !DILocation(line: 3, column: 25, scope: !23)
-!26 = !DILocation(line: 3, column: 32, scope: !23)
-!27 = !{!28, !28, i64 0}
-!28 = !{!"int", !29, i64 0}
-!29 = !{!"omnipotent char", !30, i64 0}
-!30 = !{!"Simple C/C++ TBAA"}
-!31 = !DILocation(line: 3, column: 21, scope: !23)
-!32 = !DILocation(line: 3, column: 3, scope: !23)
-!33 = distinct !{!33, !24, !34}
-!34 = !DILocation(line: 3, column: 35, scope: !21)
-!35 = !DILocation(line: 4, column: 1, scope: !7)
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