; ModuleID = 'array.c' ; ; From (clang -g -c -O0): ; ; void f(int* p) { ; p[0] = 42; ; } ; ; int main(int argc, char** argv) { ; int array[4] = { 0, 1, 2, 3 }; ; f(array); ; return array[0]; ; } ; ; RUN: opt %s -O2 -S -o - | FileCheck %s ; Test that we do not lower dbg.declares for arrays. ; ; CHECK: define i32 @main ; CHECK: call void @llvm.dbg.value ; CHECK: call void @llvm.dbg.value ; CHECK: call void @llvm.dbg.declare target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.9.0" @main.array = private unnamed_addr constant [4 x i32] [i32 0, i32 1, i32 2, i32 3], align 16 ; Function Attrs: nounwind ssp uwtable define void @f(i32* %p) #0 { entry: %p.addr = alloca i32*, align 8 store i32* %p, i32** %p.addr, align 8 call void @llvm.dbg.declare(metadata !{i32** %p.addr}, metadata !19, metadata !{metadata !"0x102"}), !dbg !20 %0 = load i32** %p.addr, align 8, !dbg !21 %arrayidx = getelementptr inbounds i32* %0, i64 0, !dbg !21 store i32 42, i32* %arrayidx, align 4, !dbg !21 ret void, !dbg !22 } ; Function Attrs: nounwind readnone declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 ; Function Attrs: nounwind ssp uwtable define i32 @main(i32 %argc, i8** %argv) #0 { entry: %retval = alloca i32, align 4 %argc.addr = alloca i32, align 4 %argv.addr = alloca i8**, align 8 %array = alloca [4 x i32], align 16 store i32 0, i32* %retval store i32 %argc, i32* %argc.addr, align 4 call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata !23, metadata !{metadata !"0x102"}), !dbg !24 store i8** %argv, i8*** %argv.addr, align 8 call void @llvm.dbg.declare(metadata !{i8*** %argv.addr}, metadata !25, metadata !{metadata !"0x102"}), !dbg !24 call void @llvm.dbg.declare(metadata !{[4 x i32]* %array}, metadata !26, metadata !{metadata !"0x102"}), !dbg !30 %0 = bitcast [4 x i32]* %array to i8*, !dbg !30 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %0, i8* bitcast ([4 x i32]* @main.array to i8*), i64 16, i32 16, i1 false), !dbg !30 %arraydecay = getelementptr inbounds [4 x i32]* %array, i32 0, i32 0, !dbg !31 call void @f(i32* %arraydecay), !dbg !31 %arrayidx = getelementptr inbounds [4 x i32]* %array, i32 0, i64 0, !dbg !32 %1 = load i32* %arrayidx, align 4, !dbg !32 ret i32 %1, !dbg !32 } ; Function Attrs: nounwind declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #2 attributes #0 = { nounwind ssp uwtable } attributes #1 = { nounwind readnone } attributes #2 = { nounwind } !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!16, !17} !llvm.ident = !{!18} !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 ] [array.c] [DW_LANG_C99] !1 = metadata !{metadata !"array.c", metadata !""} !2 = metadata !{} !3 = metadata !{metadata !4, metadata !10} !4 = metadata !{metadata !"0x2e\00f\00f\00\001\000\001\000\006\00256\000\001", metadata !1, metadata !5, metadata !6, null, void (i32*)* @f, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 1] [def] [f] !5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [array.c] !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 ] !7 = metadata !{null, metadata !8} !8 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !9} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int] !9 = metadata !{metadata !"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] !10 = metadata !{metadata !"0x2e\00main\00main\00\005\000\001\000\006\00256\000\005", metadata !1, metadata !5, metadata !11, null, i32 (i32, i8**)* @main, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 5] [def] [main] !11 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !12, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] !12 = metadata !{metadata !9, metadata !9, metadata !13} !13 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !14} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from ] !14 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", null, null, metadata !15} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from char] !15 = metadata !{metadata !"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] !16 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} !17 = metadata !{i32 1, metadata !"Debug Info Version", i32 2} !18 = metadata !{metadata !"clang version 3.5.0 "} !19 = metadata !{metadata !"0x101\00p\0016777217\000", metadata !4, metadata !5, metadata !8} ; [ DW_TAG_arg_variable ] [p] [line 1] !20 = metadata !{i32 1, i32 0, metadata !4, null} !21 = metadata !{i32 2, i32 0, metadata !4, null} !22 = metadata !{i32 3, i32 0, metadata !4, null} !23 = metadata !{metadata !"0x101\00argc\0016777221\000", metadata !10, metadata !5, metadata !9} ; [ DW_TAG_arg_variable ] [argc] [line 5] !24 = metadata !{i32 5, i32 0, metadata !10, null} !25 = metadata !{metadata !"0x101\00argv\0033554437\000", metadata !10, metadata !5, metadata !13} ; [ DW_TAG_arg_variable ] [argv] [line 5] !26 = metadata !{metadata !"0x100\00array\006\000", metadata !10, metadata !5, metadata !27} ; [ DW_TAG_auto_variable ] [array] [line 6] !27 = metadata !{metadata !"0x1\00\000\00128\0032\000\000", null, null, metadata !9, metadata !28, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 128, align 32, offset 0] [from int] !28 = metadata !{metadata !29} !29 = metadata !{metadata !"0x21\000\004"} ; [ DW_TAG_subrange_type ] [0, 3] !30 = metadata !{i32 6, i32 0, metadata !10, null} !31 = metadata !{i32 7, i32 0, metadata !10, null} !32 = metadata !{i32 8, i32 0, metadata !10, null}