mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-02 07:11:49 +00:00
83902832de
This reverts commit r218918, effectively reapplying r218914 after fixing an Ocaml bindings test and an Asan crash. The root cause of the latter was a tightened-up check in `DILexicalBlock::Verify()`, so I'll file a PR to investigate who requires the loose check (and why). Original commit message follows. -- This patch addresses the first stage of PR17891 by folding constant arguments together into a single MDString. Integers are stringified and a `\0` character is used as a separator. Part of PR17891. Note: I've attached my testcases upgrade scripts to the PR. If I've just broken your out-of-tree testcases, they might help. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219010 91177308-0d34-0410-b5e6-96231b3b80d8
80 lines
3.8 KiB
LLVM
80 lines
3.8 KiB
LLVM
; RUN: opt %s -O2 -S -o - | FileCheck %s
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; Verify that we emit the same intrinsic at most once.
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; rdar://problem/13056109
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;
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; CHECK: call void @llvm.dbg.value(metadata !{%struct.i14** %p}
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; CHECK-NOT: call void @llvm.dbg.value(metadata !{%struct.i14** %p}
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; CHECK-NEXT: call i32 @foo
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; CHECK: ret
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;
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;
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; typedef struct {
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; long i;
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; } i14;
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;
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; int foo(i14**);
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;
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; void init() {
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; i14* p = 0;
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; foo(&p);
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; p->i |= 4;
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; foo(&p);
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; }
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;
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; ModuleID = 'instcombine_intrinsics.c'
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.9.0"
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%struct.i14 = type { i64 }
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; Function Attrs: nounwind ssp uwtable
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define void @init() #0 {
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%p = alloca %struct.i14*, align 8
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call void @llvm.dbg.declare(metadata !{%struct.i14** %p}, metadata !11, metadata !{metadata !"0x102"}), !dbg !18
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store %struct.i14* null, %struct.i14** %p, align 8, !dbg !18
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%1 = call i32 @foo(%struct.i14** %p), !dbg !19
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%2 = load %struct.i14** %p, align 8, !dbg !20
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%3 = getelementptr inbounds %struct.i14* %2, i32 0, i32 0, !dbg !20
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%4 = load i64* %3, align 8, !dbg !20
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%5 = or i64 %4, 4, !dbg !20
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store i64 %5, i64* %3, align 8, !dbg !20
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%6 = call i32 @foo(%struct.i14** %p), !dbg !21
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ret void, !dbg !22
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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declare i32 @foo(%struct.i14**)
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attributes #0 = { nounwind ssp uwtable }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!8, !9}
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!llvm.ident = !{!10}
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!0 = metadata !{metadata !"0x11\0012\00clang version 3.5.0 \000\00\000\00\001", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [instcombine_intrinsics.c] [DW_LANG_C99]
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!1 = metadata !{metadata !"instcombine_intrinsics.c", metadata !""}
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!2 = metadata !{}
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!3 = metadata !{metadata !4}
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!4 = metadata !{metadata !"0x2e\00init\00init\00\007\000\001\000\006\000\000\007", metadata !1, metadata !5, metadata !6, null, void ()* @init, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 7] [def] [init]
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!5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [instcombine_intrinsics.c]
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!6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = metadata !{null}
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!8 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
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!9 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}
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!10 = metadata !{metadata !"clang version 3.5.0 "}
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!11 = metadata !{metadata !"0x100\00p\008\000", metadata !4, metadata !5, metadata !12} ; [ DW_TAG_auto_variable ] [p] [line 8]
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!12 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !13} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from i14]
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!13 = metadata !{metadata !"0x16\00i14\003\000\000\000\000", metadata !1, null, metadata !14} ; [ DW_TAG_typedef ] [i14] [line 3, size 0, align 0, offset 0] [from ]
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!14 = metadata !{metadata !"0x13\00\001\0064\0064\000\000\000", metadata !1, null, null, metadata !15, null, null, null} ; [ DW_TAG_structure_type ] [line 1, size 64, align 64, offset 0] [def] [from ]
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!15 = metadata !{metadata !16}
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!16 = metadata !{metadata !"0xd\00i\002\0064\0064\000\000", metadata !1, metadata !14, metadata !17} ; [ DW_TAG_member ] [i] [line 2, size 64, align 64, offset 0] [from long int]
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!17 = metadata !{metadata !"0x24\00long int\000\0064\0064\000\000\005", null, null} ; [ DW_TAG_base_type ] [long int] [line 0, size 64, align 64, offset 0, enc DW_ATE_signed]
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!18 = metadata !{i32 8, i32 0, metadata !4, null}
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!19 = metadata !{i32 9, i32 0, metadata !4, null}
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!20 = metadata !{i32 10, i32 0, metadata !4, null}
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!21 = metadata !{i32 11, i32 0, metadata !4, null}
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!22 = metadata !{i32 12, i32 0, metadata !4, null}
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