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https://github.com/RPCS3/llvm-mirror.git
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377434ec76
This reverts commit 342d92c7a0adeabc9ab00f3f0d88d739fe7da4c7. Turns out we're going with a different schema design to represent DW_TAG_imported_modules so we won't need this extra field. llvm-svn: 178215
114 lines
5.0 KiB
LLVM
114 lines
5.0 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, !tbaa !9
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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, !tbaa !9
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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, !tbaa !9
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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 !1, metadata !"f", metadata !"f", metadata !"", metadata !1, 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, i32 12, metadata !1, metadata !"clang version 3.0 (trunk)", i1 true, metadata !"", i32 0, null, null, metadata !21, null, null} ; [ DW_TAG_compile_unit ]
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!3 = metadata !{i32 786453, metadata !1, metadata !"", metadata !1, 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 !1, metadata !0, i32 4, i32 14, i32 0} ; [ DW_TAG_lexical_block ]
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!7 = metadata !{i32 786468, metadata !2, metadata !"int", null, 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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!9 = metadata !{metadata !"int", metadata !10}
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!10 = metadata !{metadata !"omnipotent char", metadata !11}
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!11 = metadata !{metadata !"Simple C/C++ TBAA", 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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