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https://github.com/RPCS3/llvm-mirror.git
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96b4fab48a
Summary: In some cases, these operands lacked the IsDebug property, which is meant to signal that they should not affect codegen. This patch adds a check for this property in the MachineVerifier and adds it where it was missing. This includes refactorings to use MachineInstrBuilder construction functions instead of manually setting up the intrinsic everywhere. Patch by: JesperAntonsson Reviewers: aprantl, rnk, echristo, javed.absar Reviewed By: aprantl Subscribers: qcolombet, sdardis, nemanjai, JDevlieghere, atanasyan, llvm-commits Differential Revision: https://reviews.llvm.org/D48319 llvm-svn: 335214
88 lines
4.2 KiB
LLVM
88 lines
4.2 KiB
LLVM
; RUN: llc < %s -O1 -stop-after=livedebugvalues -o - | FileCheck %s
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; This ll-file was created by:
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; clang --target=powerpc-apple-darwin9 -O1 -S -g -emit-llvm debuginfo-stackarg.c
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;
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; with debuginfo-stackarg.c being the program:
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; long long foo(long long bar1, long long bar2, long long bar3, long long bar4, long long bar5)
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; {
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; return bar1 + bar2 + bar3 + bar4 + bar5;
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; }
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; ModuleID = 'debuginfo-stackarg.c'
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source_filename = "debuginfo-stackarg.c"
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target datalayout = "E-m:o-p:32:32-f64:32:64-n32"
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target triple = "powerpc-apple-macosx10.5.0"
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; Function Attrs: nounwind readnone ssp uwtable
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define i64 @foo(i64 %bar1, i64 %bar2, i64 %bar3, i64 %bar4, i64 %bar5) local_unnamed_addr #0 !dbg !8 {
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; Variable bar5 should be associated with a position on the stack (offset relative r1).
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; Let's verify that we point out the start address (lowest address).
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;
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; First find the metadata id for bar5.
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; CHECK: !17 = !DILocalVariable(name: "bar5", arg: 5
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;
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; Now check that we got two entries on the fixed stack with "expected" offsets.
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; CHECK-LABEL: fixedStack:
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; CHECK: id: 0, type: default, offset: 60, size: 4
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; CHECK: id: 1, type: default, offset: 56, size: 4
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; CHECK-NOT: id: 2
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; CHECK-LABEL: stack:
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;
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; Finally check the resulting function body.
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; We expect to find a DBG_VALUE refering to the metadata id for bar5, using the lowest
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; of the two fixed stack offsets found earlier.
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; CHECK-LABEL: body:
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; CHECK: DBG_VALUE debug-use $r1, 0, !17, !DIExpression(DW_OP_plus_uconst, 56)
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entry:
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tail call void @llvm.dbg.value(metadata i64 %bar1, metadata !13, metadata !DIExpression()), !dbg !18
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tail call void @llvm.dbg.value(metadata i64 %bar2, metadata !14, metadata !DIExpression()), !dbg !19
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tail call void @llvm.dbg.value(metadata i64 %bar3, metadata !15, metadata !DIExpression()), !dbg !20
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tail call void @llvm.dbg.value(metadata i64 %bar4, metadata !16, metadata !DIExpression()), !dbg !21
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tail call void @llvm.dbg.value(metadata i64 %bar5, metadata !17, metadata !DIExpression()), !dbg !22
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%add = add nsw i64 %bar2, %bar1, !dbg !23
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%add1 = add nsw i64 %add, %bar3, !dbg !24
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%add2 = add nsw i64 %add1, %bar4, !dbg !25
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%add3 = add nsw i64 %add2, %bar5, !dbg !26
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ret i64 %add3, !dbg !27
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #0 = { nounwind readnone ssp uwtable }
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attributes #1 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5, !6}
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!llvm.ident = !{!7}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "debuginfo-stackarg.c", directory: "/repo")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 2}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{i32 7, !"PIC Level", i32 2}
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!7 = !{!"clang version 6.0.0"}
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!8 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !12)
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!9 = !DISubroutineType(types: !10)
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!10 = !{!11, !11, !11, !11, !11, !11}
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!11 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed)
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!12 = !{!13, !14, !15, !16, !17}
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!13 = !DILocalVariable(name: "bar1", arg: 1, scope: !8, file: !1, line: 1, type: !11)
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!14 = !DILocalVariable(name: "bar2", arg: 2, scope: !8, file: !1, line: 1, type: !11)
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!15 = !DILocalVariable(name: "bar3", arg: 3, scope: !8, file: !1, line: 1, type: !11)
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!16 = !DILocalVariable(name: "bar4", arg: 4, scope: !8, file: !1, line: 1, type: !11)
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!17 = !DILocalVariable(name: "bar5", arg: 5, scope: !8, file: !1, line: 1, type: !11)
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!18 = !DILocation(line: 1, column: 25, scope: !8)
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!19 = !DILocation(line: 1, column: 41, scope: !8)
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!20 = !DILocation(line: 1, column: 57, scope: !8)
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!21 = !DILocation(line: 1, column: 73, scope: !8)
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!22 = !DILocation(line: 1, column: 89, scope: !8)
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!23 = !DILocation(line: 3, column: 15, scope: !8)
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!24 = !DILocation(line: 3, column: 22, scope: !8)
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!25 = !DILocation(line: 3, column: 29, scope: !8)
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!26 = !DILocation(line: 3, column: 36, scope: !8)
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!27 = !DILocation(line: 3, column: 3, scope: !8)
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