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Now that `Metadata` is typeless, reflect that in the assembly. These are the matching assembly changes for the metadata/value split in r223802. - Only use the `metadata` type when referencing metadata from a call intrinsic -- i.e., only when it's used as a `Value`. - Stop pretending that `ValueAsMetadata` is wrapped in an `MDNode` when referencing it from call intrinsics. So, assembly like this: define @foo(i32 %v) { call void @llvm.foo(metadata !{i32 %v}, metadata !0) call void @llvm.foo(metadata !{i32 7}, metadata !0) call void @llvm.foo(metadata !1, metadata !0) call void @llvm.foo(metadata !3, metadata !0) call void @llvm.foo(metadata !{metadata !3}, metadata !0) ret void, !bar !2 } !0 = metadata !{metadata !2} !1 = metadata !{i32* @global} !2 = metadata !{metadata !3} !3 = metadata !{} turns into this: define @foo(i32 %v) { call void @llvm.foo(metadata i32 %v, metadata !0) call void @llvm.foo(metadata i32 7, metadata !0) call void @llvm.foo(metadata i32* @global, metadata !0) call void @llvm.foo(metadata !3, metadata !0) call void @llvm.foo(metadata !{!3}, metadata !0) ret void, !bar !2 } !0 = !{!2} !1 = !{i32* @global} !2 = !{!3} !3 = !{} I wrote an upgrade script that handled almost all of the tests in llvm and many of the tests in cfe (even handling many `CHECK` lines). I've attached it (or will attach it in a moment if you're speedy) to PR21532 to help everyone update their out-of-tree testcases. This is part of PR21532. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224257 91177308-0d34-0410-b5e6-96231b3b80d8
102 lines
5.0 KiB
LLVM
102 lines
5.0 KiB
LLVM
; ModuleID = 'array.c'
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;
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; From (clang -g -c -O1):
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;
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; void f(int* p) {
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; p[0] = 42;
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; }
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;
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; int main(int argc, char** argv) {
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; int array[4] = { 0, 1, 2, 3 };
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; f(array);
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; return array[0];
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; }
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;
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; RUN: llc -filetype=asm %s -o - | FileCheck %s
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; Test that we only emit register-indirect locations for the array array.
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; rdar://problem/14874886
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;
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; CHECK: ##DEBUG_VALUE: main:array <- [R{{.*}}+0]
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; CHECK-NOT: ##DEBUG_VALUE: main:array <- R{{.*}}
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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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@main.array = private unnamed_addr constant [4 x i32] [i32 0, i32 1, i32 2, i32 3], align 16
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; Function Attrs: nounwind ssp uwtable
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define void @f(i32* nocapture %p) #0 {
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tail call void @llvm.dbg.value(metadata i32* %p, i64 0, metadata !11, metadata !{!"0x102"}), !dbg !28
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store i32 42, i32* %p, align 4, !dbg !29, !tbaa !30
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ret void, !dbg !34
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}
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; Function Attrs: nounwind ssp uwtable
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define i32 @main(i32 %argc, i8** nocapture readnone %argv) #0 {
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%array = alloca [4 x i32], align 16
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tail call void @llvm.dbg.value(metadata i32 %argc, i64 0, metadata !19, metadata !{!"0x102"}), !dbg !35
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tail call void @llvm.dbg.value(metadata i8** %argv, i64 0, metadata !20, metadata !{!"0x102"}), !dbg !35
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tail call void @llvm.dbg.value(metadata [4 x i32]* %array, i64 0, metadata !21, metadata !{!"0x102"}), !dbg !36
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%1 = bitcast [4 x i32]* %array to i8*, !dbg !36
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call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* bitcast ([4 x i32]* @main.array to i8*), i64 16, i32 16, i1 false), !dbg !36
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tail call void @llvm.dbg.value(metadata [4 x i32]* %array, i64 0, metadata !21, metadata !{!"0x102"}), !dbg !36
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%2 = getelementptr inbounds [4 x i32]* %array, i64 0, i64 0, !dbg !37
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call void @f(i32* %2), !dbg !37
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tail call void @llvm.dbg.value(metadata [4 x i32]* %array, i64 0, metadata !21, metadata !{!"0x102"}), !dbg !36
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%3 = load i32* %2, align 16, !dbg !38, !tbaa !30
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ret i32 %3, !dbg !38
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}
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; Function Attrs: nounwind
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declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
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attributes #0 = { nounwind ssp uwtable }
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attributes #1 = { nounwind }
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attributes #2 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!25, !26}
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!llvm.ident = !{!27}
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!0 = !{!"0x11\0012\00clang version 3.5.0 \001\00\000\00\001", !1, !2, !2, !3, !2, !2} ; [ DW_TAG_compile_unit ] [/array.c] [DW_LANG_C99]
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!1 = !{!"array.c", !""}
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!2 = !{}
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!3 = !{!4, !12}
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!4 = !{!"0x2e\00f\00f\00\001\000\001\000\006\00256\001\001", !1, !5, !6, null, void (i32*)* @f, null, null, !10} ; [ DW_TAG_subprogram ] [line 1] [def] [f]
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!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/array.c]
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!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = !{null, !8}
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!8 = !{!"0xf\00\000\0064\0064\000\000", null, null, !9} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int]
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!9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!10 = !{!11}
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!11 = !{!"0x101\00p\0016777217\000", !4, !5, !8} ; [ DW_TAG_arg_variable ] [p] [line 1]
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!12 = !{!"0x2e\00main\00main\00\005\000\001\000\006\00256\001\005", !1, !5, !13, null, i32 (i32, i8**)* @main, null, null, !18} ; [ DW_TAG_subprogram ] [line 5] [def] [main]
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!13 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !14, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!14 = !{!9, !9, !15}
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!15 = !{!"0xf\00\000\0064\0064\000\000", null, null, !16} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ]
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!16 = !{!"0xf\00\000\0064\0064\000\000", null, null, !17} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from char]
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!17 = !{!"0x24\00char\000\008\008\000\000\006", null, null} ; [ DW_TAG_base_type ] [char] [line 0, size 8, align 8, offset 0, enc DW_ATE_signed_char]
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!18 = !{!19, !20, !21}
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!19 = !{!"0x101\00argc\0016777221\000", !12, !5, !9} ; [ DW_TAG_arg_variable ] [argc] [line 5]
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!20 = !{!"0x101\00argv\0033554437\000", !12, !5, !15} ; [ DW_TAG_arg_variable ] [argv] [line 5]
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!21 = !{!"0x100\00array\006\000", !12, !5, !22} ; [ DW_TAG_auto_variable ] [array] [line 6]
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!22 = !{!"0x1\00\000\00128\0032\000\000", null, null, !9, !23, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 128, align 32, offset 0] [from int]
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!23 = !{!24}
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!24 = !{!"0x21\000\004"} ; [ DW_TAG_subrange_type ] [0, 3]
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!25 = !{i32 2, !"Dwarf Version", i32 2}
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!26 = !{i32 1, !"Debug Info Version", i32 2}
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!27 = !{!"clang version 3.5.0 "}
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!28 = !{i32 1, i32 0, !4, null}
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!29 = !{i32 2, i32 0, !4, null}
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!30 = !{!31, !31, i64 0}
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!31 = !{!"int", !32, i64 0}
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!32 = !{!"omnipotent char", !33, i64 0}
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!33 = !{!"Simple C/C++ TBAA"}
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!34 = !{i32 3, i32 0, !4, null}
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!35 = !{i32 5, i32 0, !12, null}
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!36 = !{i32 6, i32 0, !12, null}
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!37 = !{i32 7, i32 0, !12, null}
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!38 = !{i32 8, i32 0, !12, null}
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