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https://github.com/c64scene-ar/llvm-6502.git
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ce0a12399c
We used to call Verify before adding DICompileUnit to the list, and now we remove the check and always add DICompileUnit to the list in DebugInfoFinder, so we can verify them later on. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187237 91177308-0d34-0410-b5e6-96231b3b80d8
111 lines
4.9 KiB
LLVM
111 lines
4.9 KiB
LLVM
; RUN: llc -O1 -mtriple=x86_64-apple-darwin < %s | FileCheck -check-prefix=DARWIN %s
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; RUN: llc -O1 -mtriple=x86_64-pc-linux-gnu < %s | FileCheck -check-prefix=LINUX %s
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; PR9493
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; Adapted from the original test case in r127757.
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; We use 'llc -O1' to induce variable 'x' to live in different locations.
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; We don't actually care where 'x' lives, or what exact optimizations get
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; used, as long as 'x' moves around we're fine.
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; // The variable 'x' lives in different locations, so it needs an entry in
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; // the .debug_loc table section, referenced by DW_AT_location.
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; // This ref is not relocatable on Darwin, and is relocatable elsewhere.
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; extern int g(int, int);
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; extern int a;
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;
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; void f(void) {
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; int x;
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; a = g(0, 0);
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; x = 1;
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; while (x & 1) { x *= a; }
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; a = g(x, 0);
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; x = 2;
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; while (x & 2) { x *= a; }
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; a = g(0, x);
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; }
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; // The 'x' variable and its symbol reference location
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; DARWIN: DW_TAG_variable
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; DARWIN-NEXT: ## DW_AT_name
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; DARWIN-NEXT: .long Lset{{[0-9]+}}
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; DARWIN-NEXT: ## DW_AT_decl_file
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; DARWIN-NEXT: ## DW_AT_decl_line
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; DARWIN-NEXT: ## DW_AT_type
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; DARWIN-NEXT: Lset{{[0-9]+}} = Ldebug_loc{{[0-9]+}}-Lsection_debug_loc ## DW_AT_location
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; DARWIN-NEXT: .long Lset{{[0-9]+}}
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; LINUX: DW_TAG_variable
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; LINUX-NEXT: # DW_AT_name
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; LINUX-NEXT: # DW_AT_decl_file
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; LINUX-NEXT: # DW_AT_decl_line
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; LINUX-NEXT: # DW_AT_type
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; LINUX-NEXT: .long .Ldebug_loc{{[0-9]+}} # DW_AT_location
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; ModuleID = 'simple.c'
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target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-n32"
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@a = external global i32
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define void @f() nounwind {
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entry:
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%call = tail call i32 @g(i32 0, i32 0) nounwind, !dbg !8
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store i32 %call, i32* @a, align 4, !dbg !8
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tail call void @llvm.dbg.value(metadata !12, i64 0, metadata !5), !dbg !13
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br label %while.body
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while.body: ; preds = %entry, %while.body
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%x.017 = phi i32 [ 1, %entry ], [ %mul, %while.body ]
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%mul = mul nsw i32 %call, %x.017, !dbg !14
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%and = and i32 %mul, 1, !dbg !14
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%tobool = icmp eq i32 %and, 0, !dbg !14
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br i1 %tobool, label %while.end, label %while.body, !dbg !14
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while.end: ; preds = %while.body
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tail call void @llvm.dbg.value(metadata !{i32 %mul}, i64 0, metadata !5), !dbg !14
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%call4 = tail call i32 @g(i32 %mul, i32 0) nounwind, !dbg !15
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store i32 %call4, i32* @a, align 4, !dbg !15
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tail call void @llvm.dbg.value(metadata !16, i64 0, metadata !5), !dbg !17
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br label %while.body9
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while.body9: ; preds = %while.end, %while.body9
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%x.116 = phi i32 [ 2, %while.end ], [ %mul12, %while.body9 ]
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%mul12 = mul nsw i32 %call4, %x.116, !dbg !18
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%and7 = and i32 %mul12, 2, !dbg !18
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%tobool8 = icmp eq i32 %and7, 0, !dbg !18
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br i1 %tobool8, label %while.end13, label %while.body9, !dbg !18
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while.end13: ; preds = %while.body9
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tail call void @llvm.dbg.value(metadata !{i32 %mul12}, i64 0, metadata !5), !dbg !18
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%call15 = tail call i32 @g(i32 0, i32 %mul12) nounwind, !dbg !19
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store i32 %call15, i32* @a, align 4, !dbg !19
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ret void, !dbg !20
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}
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declare i32 @g(i32, i32)
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declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
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!llvm.dbg.cu = !{!2}
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!0 = metadata !{i32 786478, metadata !23, metadata !1, metadata !"f", metadata !"f", metadata !"", i32 4, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 true, void ()* @f, null, null, metadata !22, i32 4} ; [ DW_TAG_subprogram ]
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!1 = metadata !{i32 786473, metadata !23} ; [ DW_TAG_file_type ]
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!2 = metadata !{i32 786449, metadata !23, i32 12, metadata !"clang version 3.0 (trunk)", i1 true, metadata !"", i32 0, metadata !4, metadata !4, metadata !21, null, null, null} ; [ DW_TAG_compile_unit ]
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!3 = metadata !{i32 786453, metadata !23, metadata !1, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
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!4 = metadata !{null}
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!5 = metadata !{i32 786688, metadata !6, metadata !"x", metadata !1, i32 5, metadata !7, i32 0, null} ; [ DW_TAG_auto_variable ]
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!6 = metadata !{i32 786443, metadata !23, metadata !0, i32 4, i32 14, i32 0} ; [ DW_TAG_lexical_block ]
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!7 = metadata !{i32 786468, null, metadata !2, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
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!8 = metadata !{i32 6, i32 3, metadata !6, null}
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!12 = metadata !{i32 1}
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!13 = metadata !{i32 7, i32 3, metadata !6, null}
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!14 = metadata !{i32 8, i32 3, metadata !6, null}
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!15 = metadata !{i32 9, i32 3, metadata !6, null}
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!16 = metadata !{i32 2}
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!17 = metadata !{i32 10, i32 3, metadata !6, null}
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!18 = metadata !{i32 11, i32 3, metadata !6, null}
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!19 = metadata !{i32 12, i32 3, metadata !6, null}
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!20 = metadata !{i32 13, i32 1, metadata !6, null}
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!21 = metadata !{metadata !0}
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!22 = metadata !{metadata !5}
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!23 = metadata !{metadata !"simple.c", metadata !"/home/rengol01/temp/tests/dwarf/relocation"}
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