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1; RUN: llc %s -stop-after=finalize-isel -o - \2; RUN: | FileCheck %s --implicit-check-not=DBG3 4;; Test a variety of block inputs and lattice configurations for the assignment5;; tracking analysis (debug-ata). This is the same as nested-loop.ll except each6;; alloca holds a fragment of a variable instead of a whole variable.7;; The CFG looks like this:8;; entry9;; |10;; v11;; do.body <-----+12;; | |13;; V |14;; do.body1 <--+ |15;; / \ | |16;; / \ | |17;; / \ | |18;; v v | |19;; if.then if.else | |20;; \ / | |21;; \ / | |22;; \ / | |23;; do.cond ----+ |24;; | |25;; v |26;; do.cond4 -----+27;; |28;; v29;; do.end630 31;; Key32;; ╔═════════════════════╦═══════════════════════════════════════════════════════════════════╗33;; ║ thing ║ meaning ║34;; ╠═════════════════════╬═══════════════════════════════════════════════════════════════════╣35;; ║ mem=<!n|phi> ║ assignment of !n or phi to memory ║36;; ║ dbg=<!n|phi> ║ assignment of !n or phi to source variable ║37;; ║ phi ║ phi of assignments (operands not traked)* ║38;; ║ loc=<val|mem|none> ║ location to use is value (implicit location), stack home, or none ║39;; ╚═════════════════════╩═══════════════════════════════════════════════════════════════════╝40;; (*) A phi in the def column represents an assignment made by an untagged store.41;;42;; Variable 'a' (!21)43;; Check initial dbg and mem assignment values are propagated through all blocks.44;; ╔═════════════╦══════════════════════════╦═════════════════╦══════════════════════════╗45;; ║ block ║ in ║ def ║ out ║46;; ╠═════════════╬══════════════════════════╬═════════════════╬══════════════════════════╣47;; ║ entry ║ ║ mem=!63 dbg=!70 ║ mem=!63 dbg=!70 loc=val ║48;; ║ do.end6 ║ mem=!63 dbg=!70 loc=val ║ mem=!63 ║ mem=!63 dbg=!63 loc=mem ║49;; ╚═════════════╩══════════════════════════╩═════════════════╩══════════════════════════╝50;;51;; Variable 'b' (!22)52;; Check mem=dbg assignment on branch in nested loop causes a mem=phi (tested by looking53;; for value-based DBG_VALUE in do.end6).54;; ╔═════════════╦══════════════════════════╦═════════════════╦══════════════════════════╗55;; ║ block ║ in ║ def ║ out ║56;; ╠═════════════╬══════════════════════════╬═════════════════╬══════════════════════════╣57;; ║ entry ║ ║ mem=!65 dbg=!71 ║ mem=!65 dbg=!71 loc=val ║58;; ║ if.then ║ mem=phi dbg=phi loc=none ║ mem=!66 dbg=!66 ║ mem=!66 dbg=!66 loc=mem ║59;; ║ do.end6 ║ mem=phi dbg=phi loc=none ║ mem=!65 ║ mem=phi dbg=!65 loc=val ║60;; ╚═════════════╩══════════════════════════╩═════════════════╩══════════════════════════╝61;;62;; Variable 'c' (!67)63;; Check initial dbg and mem assignment values are propagated through all blocks, with64;; dbg defs with the inital assignment ID put in do.cond and do.end6 (variable is always65;; in memory).66;; ╔═════════════╦══════════════════════════╦═════════════════╦══════════════════════════╗67;; ║ block ║ in ║ def ║ out ║68;; ╠═════════════╬══════════════════════════╬═════════════════╬══════════════════════════╣69;; ║ entry ║ ║ mem=!69 dbg=!69 ║ mem=!69 dbg=!69 loc=mem ║70;; ║ do.cond ║ mem=!69 dbg=!69 loc=mem ║ dbg=!69 ║ mem=!69 dbg=!69 loc=mem ║71;; ║ do.end6 ║ mem=!69 dbg=!69 loc=mem ║ dbg=!69 ║ mem=!69 dbg=!69 loc=mem ║72;; ╚═════════════╩══════════════════════════╩═════════════════╩══════════════════════════╝73;;74;; Variable 'd' (!72)75;; Same as above, except the dbg def in do.cond has been swapped for a dbg=mem def (with76;; the initial assignment ID) and has been moved to if.else.77;; ╔═════════════╦══════════════════════════╦═════════════════╦══════════════════════════╗78;; ║ block ║ in ║ def ║ out ║79;; ╠═════════════╬══════════════════════════╬═════════════════╬══════════════════════════╣80;; ║ entry ║ ║ mem=!74 dbg=!74 ║ mem=!74 dbg=!74 loc=mem ║81;; ║ if.else ║ mem=!74 dbg=!74 loc=mem ║ mem=!74 dbg=!74 ║ mem=!74 dbg=!74 loc=mem ║82;; ║ do.end6 ║ mem=!74 dbg=!74 loc=mem ║ dbg=!74 ║ mem=!74 dbg=!74 loc=mem ║83;; ╚═════════════╩══════════════════════════╩═════════════════╩══════════════════════════╝84;;85;; Variable 'e' (!75)86;; mem defs in entry, if.then and if.else with same ID (!77). Check these join correct87;; (tested using the dbg defs of the same ID - the memory location is valid at each of88;; these with that ID).89;; ╔═════════════╦══════════════════════════╦═════════════════╦══════════════════════════╗90;; ║ block ║ in ║ def ║ out ║91;; ╠═════════════╬══════════════════════════╬═════════════════╬══════════════════════════╣92;; ║ entry ║ ║ mem=!77 dbg=!78 ║ mem=!77 dbg=!78 loc=val ║93;; ║ do.body ║ mem=!77 dbg=phi loc=none ║ dbg=!77 ║ mem=!77 dbg=!77 loc=mem ║94;; ║ do.body1 ║ mem=!77 dbg=!77 loc=mem ║ dbg=!77 ║ mem=!77 dbg=!77 loc=mem ║95;; ║ if.then ║ mem=!77 dbg=!77 loc=mem ║ mem=!77 ║ mem=!77 dbg=!77 loc=mem ║96;; ║ if.else ║ mem=!77 dbg=!77 loc=mem ║ mem=!77 ║ mem=!77 dbg=!77 loc=mem ║97;; ╚═════════════╩══════════════════════════╩═════════════════╩══════════════════════════╝98;;99;; Variable 'f' (!79)100;; mem def in entry and an untagged store in if.else (results in mem=phi, dbg=phi defs).101;; Use dbg defs in do.body, do.body1, do.cond and do.end6 to check the phi-ness102;; has been propagated (the memory loc at each is not a valid location). Check the memory103;; loc is used in if.else after the untagged store.104;; ╔═════════════╦══════════════════════════╦═════════════════╦══════════════════════════╗105;; ║ block ║ in ║ def ║ out ║106;; ╠═════════════╬══════════════════════════╬═════════════════╬══════════════════════════╣107;; ║ entry ║ ║ mem=!81 dbg=!81 ║ mem=!81 dbg=!81 loc=mem ║108;; ║ do.body ║ mem=phi dbg=phi loc=none ║ dbg=!81 ║ mem=phi dbg=!81 loc=val ║109;; ║ do.body1 ║ mem=phi dbg=phi loc=none ║ dbg=!81 ║ mem=phi dbg=!81 loc=val ║110;; ║ if.else ║ mem=phi dbg=phi loc=none ║ mem=phi dbg=phi ║ mem=phi dbg=phi loc=mem ║111;; ║ do.cond ║ mem=phi dbg=phi loc=none ║ dbg=!81 ║ mem=phi dbg=!81 loc=val ║112;; ║ do.end6 ║ mem=phi dbg=!81 loc=val ║ dbg=!81 ║ mem=!69 dbg=!81 loc=val ║113;; ╚═════════════╩══════════════════════════╩═════════════════╩══════════════════════════╝114;;115;; Variable 'g' (!82)116;; Check that joining loc=none with anything else results in loc=none. The out-loc of117;; entry is set up to be loc=none by following an untagged store with a tagged store,118;; with the linked dbg.assign in another block. The dbg.assign is in do.body - it follows119;; another store linked to it. Importantly, there are other instructions wedged between120;; them, which is how we test that the in-loc is loc=none. The result of encountering121;; a tagged store while the loc=none is to emit nothing. Thus, we check that no location122;; def is emitted in do.body until the dbg.assign is encountered (after the load that was123;; wedged between the store and intrinsic).124;; ╔═════════════╦══════════════════════════╦═════════════════╦══════════════════════════╗125;; ║ block ║ in ║ def ║ out ║126;; ╠═════════════╬══════════════════════════╬═════════════════╬══════════════════════════╣127;; ║ entry ║ ║ mem=phi dbg=phi ║ mem=phi dbg=phi loc=none ║128;; ║ do.body ║ mem=phi dbg=phi loc=none ║ mem=!84 dbg=!84 ║ mem=!84 dbg=!84 loc=mem ║129;; ╚═════════════╩══════════════════════════╩═════════════════╩══════════════════════════╝130 131; CHECK-DAG: ![[a:[0-9]+]] = !DILocalVariable(name: "a",132; CHECK-DAG: ![[b:[0-9]+]] = !DILocalVariable(name: "b",133; CHECK-DAG: ![[c:[0-9]+]] = !DILocalVariable(name: "c",134; CHECK-DAG: ![[d:[0-9]+]] = !DILocalVariable(name: "d",135; CHECK-DAG: ![[e:[0-9]+]] = !DILocalVariable(name: "e",136; CHECK-DAG: ![[f:[0-9]+]] = !DILocalVariable(name: "f",137; CHECK-DAG: ![[g:[0-9]+]] = !DILocalVariable(name: "g",138 139;; Variables 'c' (!67) and 'd' (!72) are always stack-homed, but the analysis140;; currently doesn't try to work this out for sroa-d vars. Instead, we get a141;; set of DBG_VALUEs.142;; TODO / Wishlist:143; KCEHC: - { id: 2, name: c.addr, type: default, offset: 0, size: 4, alignment: 4,144; TXEN-KCEHC: stack-id: default, callee-saved-register: '', callee-saved-restored: true,145; TXEN-KCEHC: debug-info-variable: '![[c]]', debug-info-expression: '!DIExpression()',146; KCEHC: - { id: 3, name: d.addr, type: default, offset: 0, size: 4, alignment: 4,147; TXEN-KCEHC: stack-id: default, callee-saved-register: '', callee-saved-restored: true,148; TXEN-KCEHC: debug-info-variable: '![[d]]', debug-info-expression: '!DIExpression()',149 150source_filename = "test.cpp"151target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"152target triple = "x86_64-unknown-linux-gnu"153 154@g_a = dso_local local_unnamed_addr global i32 0, align 4, !dbg !0155@g_b = dso_local local_unnamed_addr global i32 0, align 4, !dbg !5156@g_c = dso_local local_unnamed_addr global i32 0, align 4, !dbg !8157 158define dso_local noundef i32 @_Z3funii(i32 noundef %a, i32 noundef %b) local_unnamed_addr #0 !dbg !17 {159entry:160 %a.addr = alloca i32, align 4, !DIAssignID !58 ; VAR:a161 call void @llvm.dbg.assign(metadata i1 undef, metadata !21, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !58, metadata ptr %a.addr, metadata !DIExpression()), !dbg !27 ; VAR:a162 %b.addr = alloca i32, align 4, !DIAssignID !64 ; VAR:b163 call void @llvm.dbg.assign(metadata i1 undef, metadata !22, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !64, metadata ptr %b.addr, metadata !DIExpression()), !dbg !27 ; VAR:b164 %c.addr = alloca i32, align 4, !DIAssignID !68 ; VAR:c165 call void @llvm.dbg.assign(metadata i1 undef, metadata !67, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !68, metadata ptr %c.addr, metadata !DIExpression()), !dbg !27 ; VAR:c166 %d.addr = alloca i32, align 4, !DIAssignID !73 ; VAR:d167 call void @llvm.dbg.assign(metadata i1 undef, metadata !72, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !73, metadata ptr %d.addr, metadata !DIExpression()), !dbg !27 ; VAR:d168 %e.addr = alloca i32, align 4, !DIAssignID !76 ; VAR:e169 call void @llvm.dbg.assign(metadata i1 undef, metadata !75, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !76, metadata ptr %e.addr, metadata !DIExpression()), !dbg !27 ; VAR:e170 %f.addr = alloca i32, align 4, !DIAssignID !80 ; VAR:f171 call void @llvm.dbg.assign(metadata i1 undef, metadata !79, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !80, metadata ptr %f.addr, metadata !DIExpression()), !dbg !27 ; VAR:f172 %g.addr = alloca i32, align 4, !DIAssignID !83 ; VAR:g173 call void @llvm.dbg.assign(metadata i1 undef, metadata !82, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !83, metadata ptr %g.addr, metadata !DIExpression()), !dbg !27 ; VAR:g174 store i32 1, ptr %a.addr, !DIAssignID !70 ; VAR:a175 call void @llvm.dbg.assign(metadata i32 1, metadata !21, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !70, metadata ptr %a.addr, metadata !DIExpression()), !dbg !27 ; VAR:a176 store i32 2, ptr %b.addr, !DIAssignID !71 ; VAR:b177 call void @llvm.dbg.assign(metadata i32 2, metadata !22, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !71, metadata ptr %b.addr, metadata !DIExpression()), !dbg !27 ; VAR:b178 store i32 12, ptr %g.addr ; VAR:g179 store i32 9, ptr %e.addr, !DIAssignID !78 ; VAR:e180 call void @llvm.dbg.assign(metadata i32 9, metadata !75, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !78, metadata ptr %e.addr, metadata !DIExpression()), !dbg !27 ; VAR:e181 store i32 3, ptr %a.addr, !DIAssignID !63 ; VAR:a182 store i32 4, ptr %b.addr, !DIAssignID !65 ; VAR:b183 store i32 5, ptr %c.addr, !DIAssignID !69 ; VAR:c184 call void @llvm.dbg.assign(metadata i32 5, metadata !67, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !69, metadata ptr %c.addr, metadata !DIExpression()), !dbg !27 ; VAR:c185 store i32 6, ptr %d.addr, !DIAssignID !74 ; VAR:d186 call void @llvm.dbg.assign(metadata i32 6, metadata !72, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !74, metadata ptr %d.addr, metadata !DIExpression()), !dbg !27 ; VAR:d187 store i32 8, ptr %e.addr, !DIAssignID !77 ; VAR:e188 store i32 13, ptr %g.addr, !DIAssignID !84 ; VAR:g189 store i32 11, ptr %f.addr, !DIAssignID !81 ; VAR:f190 call void @llvm.dbg.assign(metadata i32 11, metadata !79, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !81, metadata ptr %f.addr, metadata !DIExpression()), !dbg !27 ; VAR:f191 br label %do.body, !dbg !24192; CHECK-LABEL: bb.0.entry:193; CHECK-NEXT: successors194; CHECK-NEXT: {{^ *$}}195; CHECK-NEXT: DBG_VALUE %stack.0.a.addr, $noreg, ![[a]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)196; CHECK-NEXT: DBG_VALUE %stack.1.b.addr, $noreg, ![[b]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)197; CHECK-NEXT: DBG_VALUE %stack.2.c.addr, $noreg, ![[c]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)198; CHECK-NEXT: DBG_VALUE %stack.3.d.addr, $noreg, ![[d]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)199; CHECK-NEXT: DBG_VALUE %stack.4.e.addr, $noreg, ![[e]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)200; CHECK-NEXT: DBG_VALUE %stack.5.f.addr, $noreg, ![[f]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)201; CHECK-NEXT: DBG_VALUE %stack.6.g.addr, $noreg, ![[g]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)202; CHECK-NEXT: MOV32mi %stack.0.a.addr, 1, $noreg, 0, $noreg, 3203; CHECK-NEXT: DBG_VALUE 1, $noreg, ![[a]], !DIExpression(DW_OP_LLVM_fragment, 32, 32)204; CHECK-NEXT: MOV32mi %stack.1.b.addr, 1, $noreg, 0, $noreg, 4205; CHECK-NEXT: DBG_VALUE 2, $noreg, ![[b]], !DIExpression(DW_OP_LLVM_fragment, 32, 32)206; CHECK-NEXT: MOV32mi %stack.2.c.addr, 1, $noreg, 0, $noreg, 5207; CHECK-NEXT: MOV32mi %stack.3.d.addr, 1, $noreg, 0, $noreg, 6208; CHECK-NEXT: MOV32mi %stack.4.e.addr, 1, $noreg, 0, $noreg, 8209; CHECK-NEXT: DBG_VALUE 9, $noreg, ![[e]], !DIExpression(DW_OP_LLVM_fragment, 32, 32)210; CHECK-NEXT: MOV32mi %stack.6.g.addr, 1, $noreg, 0, $noreg, 13211; CHECK-NEXT: DBG_VALUE $noreg, $noreg, ![[g]], !DIExpression(DW_OP_LLVM_fragment, 32, 32)212; CHECK-NEXT: MOV32mi %stack.5.f.addr, 1, $noreg, 0, $noreg, 11213; CHECK-NEXT: {{^ *$}}214 215do.body: ; preds = %do.cond4, %entry216 call void @llvm.dbg.assign(metadata i32 8, metadata !75, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !77, metadata ptr %e.addr, metadata !DIExpression()), !dbg !27 ; VAR:e217 call void @llvm.dbg.assign(metadata i32 11, metadata !79, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !81, metadata ptr %f.addr, metadata !DIExpression()), !dbg !27 ; VAR:f218 store i32 13, ptr %g.addr, !DIAssignID !84 ; VAR:g219 %.pre10 = load i32, ptr @g_a, align 4, !dbg !27220 call void @llvm.dbg.assign(metadata i32 11, metadata !82, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !84, metadata ptr %g.addr, metadata !DIExpression()), !dbg !27 ; VAR:g221 br label %do.body1, !dbg !34222; CHECK-LABEL: bb.1.do.body:223; CHECK-NEXT: successors224; CHECK-NEXT: {{^ *$}}225; CHECK-NEXT: DBG_VALUE %stack.4.e.addr, $noreg, ![[e]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)226; CHECK-NEXT: DBG_VALUE 11, $noreg, ![[f]], !DIExpression(DW_OP_LLVM_fragment, 32, 32)227; CHECK-NEXT: MOV32mi %stack.6.g.addr, 1, $noreg, 0, $noreg, 13228; CHECK-NEXT: %0:gr32 = MOV32rm $rip, 1, $noreg, @g_a, $noreg229; CHECK-NEXT: DBG_VALUE %stack.6.g.addr, $noreg, ![[g]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)230; CHECK-NEXT: {{^ *$}}231 232do.body1: ; preds = %do.cond, %do.body233 %0 = phi i32 [ %.pre10, %do.body ], [ %1, %do.cond ], !dbg !27234 call void @llvm.dbg.assign(metadata i32 8, metadata !75, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !77, metadata ptr %e.addr, metadata !DIExpression()), !dbg !27 ; VAR:e235 call void @llvm.dbg.assign(metadata i32 11, metadata !79, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !81, metadata ptr %f.addr, metadata !DIExpression()), !dbg !27 ; VAR:f236 %tobool.not = icmp eq i32 %0, 0, !dbg !27237 br i1 %tobool.not, label %if.else, label %if.then, !dbg !35238; CHECK-LABEL: bb.2.do.body1:239; CHECK-NEXT: successors240; CHECK-NEXT: {{^ *$}}241; CHECK: DBG_VALUE %stack.4.e.addr, $noreg, ![[e]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)242; CHECK-NEXT: DBG_VALUE 11, $noreg, ![[f]], !DIExpression(DW_OP_LLVM_fragment, 32, 32)243; CHECK: JMP_1244; CHECK-NEXT: {{^ *$}}245 246if.then: ; preds = %do.body1247 %.pre = load i32, ptr @g_a, align 4, !dbg !27248 store i32 %.pre, ptr %b.addr, !DIAssignID !66 ; VAR:b249 call void @llvm.dbg.assign(metadata i32 %.pre, metadata !22, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !66, metadata ptr %b.addr, metadata !DIExpression()), !dbg !27 ; VAR:b250 store i32 8, ptr %e.addr, !DIAssignID !77 ; VAR:e251 br label %do.cond, !dbg !39252; CHECK-LABEL: bb.3.if.then:253; CHECK-NEXT: successors254; CHECK-NEXT: {{^ *$}}255; CHECK-NEXT: %5:gr32 = MOV32rm256; CHECK-NEXT: MOV32mr %stack.1.b.addr, 1, $noreg, 0, $noreg, killed %5257; CHECK-NEXT: DBG_VALUE %stack.1.b.addr, $noreg, ![[b]], !DIExpression(DW_OP_deref258; CHECK-NEXT: MOV32mi %stack.4.e.addr, 1, $noreg, 0, $noreg, 8259; CHECK-NEXT: DBG_VALUE %stack.4.e.addr, $noreg, ![[e]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)260; CHECK-NEXT: JMP_1 %bb.5261; CHECK-NEXT: {{^ *$}}262 263if.else: ; preds = %do.body1264 store i32 6, ptr %d.addr, !DIAssignID !74 ; VAR:d265 call void @llvm.dbg.assign(metadata i32 6, metadata !72, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !74, metadata ptr %d.addr, metadata !DIExpression()), !dbg !27 ; VAR:d266 store i32 8, ptr %e.addr, !DIAssignID !77 ; VAR:e267 store i32 10, ptr %f.addr ; VAR:f268 br label %do.cond269; CHECK-LABEL: bb.4.if.else:270; CHECK-NEXT: successors271; CHECK-NEXT: {{^ *$}}272; CHECK-NEXT: MOV32mi %stack.3.d.addr, 1, $noreg, 0, $noreg, 6273; CHECK-NEXT: DBG_VALUE %stack.3.d.addr, $noreg, ![[d]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)274; CHECK-NEXT: MOV32mi %stack.4.e.addr, 1, $noreg, 0, $noreg, 8275; CHECK-NEXT: DBG_VALUE %stack.4.e.addr, $noreg, ![[e]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)276; CHECK-NEXT: MOV32mi %stack.5.f.addr, 1, $noreg, 0, $noreg, 10277; CHECK-NEXT: DBG_VALUE %stack.5.f.addr, $noreg, ![[f]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)278; CHECK-NEXT: {{^ *$}}279 280do.cond: ; preds = %if.then, %if.else281 call void @llvm.dbg.assign(metadata i1 undef, metadata !67, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !69, metadata ptr %c.addr, metadata !DIExpression()), !dbg !27 ; VAR:c282 call void @llvm.dbg.assign(metadata i32 11, metadata !79, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !81, metadata ptr %f.addr, metadata !DIExpression()), !dbg !27 ; VAR:f283 %1 = load i32, ptr @g_b, align 4, !dbg !43284 %tobool3.not = icmp eq i32 %1, 0, !dbg !43285 br i1 %tobool3.not, label %do.cond4, label %do.body1, !dbg !44, !llvm.loop !45286; CHECK-LABEL: bb.5.do.cond:287; CHECK-NEXT: successors288; CHECK-NEXT: {{^ *$}}289; CHECK-NEXT: DBG_VALUE %stack.2.c.addr, $noreg, ![[c]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)290; CHECK-NEXT: DBG_VALUE 11, $noreg, ![[f]], !DIExpression(DW_OP_LLVM_fragment, 32, 32)291; CHECK: {{^ *$}}292 293do.cond4: ; preds = %do.cond294 %2 = load i32, ptr @g_c, align 4, !dbg !48295 %tobool5.not = icmp eq i32 %2, 0, !dbg !48296 br i1 %tobool5.not, label %do.end6, label %do.body, !dbg !49, !llvm.loop !50297; CHECK-LABEL: bb.6.do.cond4:298; CHECK-NEXT: successors299; CHECK-NEXT: {{^ *$}}300; CHECK-NOT: DBG301; CHECK: {{^ *$}}302 303do.end6: ; preds = %do.cond4304 call void @llvm.dbg.assign(metadata i32 3, metadata !21, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !63, metadata ptr %a.addr, metadata !DIExpression()), !dbg !27; VAR:a305 call void @llvm.dbg.assign(metadata i32 4, metadata !22, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !65, metadata ptr %b.addr, metadata !DIExpression()), !dbg !27 ; VAR:b306 call void @llvm.dbg.assign(metadata i1 undef, metadata !67, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !69, metadata ptr %c.addr, metadata !DIExpression()), !dbg !27 ; VAR:c307 call void @llvm.dbg.assign(metadata i32 6, metadata !72, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !74, metadata ptr %d.addr, metadata !DIExpression()), !dbg !27 ; VAR:d308 call void @llvm.dbg.assign(metadata i32 11, metadata !79, metadata !DIExpression(DW_OP_LLVM_fragment, 32, 32), metadata !81, metadata ptr %f.addr, metadata !DIExpression()), !dbg !27 ; VAR:f309 ret i32 0, !dbg !53310; CHECK-LABEL: bb.7.do.end6:311; CHECK-NEXT: DBG_VALUE %stack.0.a.addr, $noreg, ![[a]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)312; CHECK-NEXT: DBG_VALUE 4, $noreg, ![[b]], !DIExpression(DW_OP_LLVM_fragment, 32, 32)313; CHECK-NEXT: DBG_VALUE %stack.2.c.addr, $noreg, ![[c]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)314; CHECK-NEXT: DBG_VALUE %stack.3.d.addr, $noreg, ![[d]], !DIExpression(DW_OP_deref, DW_OP_LLVM_fragment, 32, 32)315; CHECK-NEXT: DBG_VALUE 11, $noreg, ![[f]], !DIExpression(DW_OP_LLVM_fragment, 32, 32)316}317 318declare !dbg !54 void @_Z4calli(i32 noundef) local_unnamed_addr #1319declare void @llvm.dbg.declare(metadata, metadata, metadata)320declare void @llvm.dbg.value(metadata, metadata, metadata)321declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata)322 323!llvm.dbg.cu = !{!2}324!llvm.module.flags = !{!10, !11, !12, !13, !14, !15, !1000}325!llvm.ident = !{!16}326 327!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())328!1 = distinct !DIGlobalVariable(name: "g_a", scope: !2, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true)329!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 16.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None)330!3 = !DIFile(filename: "test.cpp", directory: "/")331!4 = !{!0, !5, !8}332!5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression())333!6 = distinct !DIGlobalVariable(name: "g_b", scope: !2, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true)334!7 = !DIBasicType(name: "long long", size: 64, encoding: DW_ATE_signed)335!8 = !DIGlobalVariableExpression(var: !9, expr: !DIExpression())336!9 = distinct !DIGlobalVariable(name: "g_c", scope: !2, file: !3, line: 1, type: !7, isLocal: false, isDefinition: true)337!10 = !{i32 7, !"Dwarf Version", i32 5}338!11 = !{i32 2, !"Debug Info Version", i32 3}339!12 = !{i32 1, !"wchar_size", i32 4}340!13 = !{i32 8, !"PIC Level", i32 2}341!14 = !{i32 7, !"PIE Level", i32 2}342!15 = !{i32 7, !"uwtable", i32 2}343!16 = !{!"clang version 16.0.0"}344!17 = distinct !DISubprogram(name: "fun", linkageName: "_Z3funii", scope: !3, file: !3, line: 3, type: !18, scopeLine: 3, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !20)345!18 = !DISubroutineType(types: !19)346!19 = !{!7, !7, !7}347!20 = !{!21, !22}348!21 = !DILocalVariable(name: "a", arg: 1, scope: !17, file: !3, line: 3, type: !7)349!22 = !DILocalVariable(name: "b", arg: 2, scope: !17, file: !3, line: 3, type: !7)350!23 = !DILocation(line: 0, scope: !17)351!24 = !DILocation(line: 4, column: 3, scope: !17)352!25 = !DILocation(line: 5, column: 5, scope: !26)353!26 = distinct !DILexicalBlock(scope: !17, file: !3, line: 4, column: 6)354!27 = !DILocation(line: 7, column: 11, scope: !28)355!28 = distinct !DILexicalBlock(scope: !29, file: !3, line: 7, column: 11)356!29 = distinct !DILexicalBlock(scope: !26, file: !3, line: 6, column: 8)357!34 = !DILocation(line: 6, column: 5, scope: !26)358!35 = !DILocation(line: 7, column: 11, scope: !29)359!36 = !DILocation(line: 8, column: 11, scope: !37)360!37 = distinct !DILexicalBlock(scope: !28, file: !3, line: 7, column: 16)361!38 = !DILocation(line: 9, column: 9, scope: !37)362!39 = !DILocation(line: 10, column: 7, scope: !37)363!40 = !DILocation(line: 11, column: 11, scope: !41)364!41 = distinct !DILexicalBlock(scope: !28, file: !3, line: 10, column: 14)365!42 = !DILocation(line: 0, scope: !28)366!43 = !DILocation(line: 13, column: 14, scope: !26)367!44 = !DILocation(line: 13, column: 5, scope: !29)368!45 = distinct !{!45, !34, !46, !47}369!46 = !DILocation(line: 13, column: 17, scope: !26)370!47 = !{!"llvm.loop.mustprogress"}371!48 = !DILocation(line: 14, column: 12, scope: !17)372!49 = !DILocation(line: 14, column: 3, scope: !26)373!50 = distinct !{!50, !24, !51, !47}374!51 = !DILocation(line: 14, column: 15, scope: !17)375!52 = !DILocation(line: 15, column: 12, scope: !17)376!53 = !DILocation(line: 15, column: 3, scope: !17)377!54 = !DISubprogram(name: "call", linkageName: "_Z4calli", scope: !3, file: !3, line: 2, type: !55, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !57)378!55 = !DISubroutineType(types: !56)379!56 = !{null, !7}380!57 = !{}381!58 = distinct !DIAssignID()382!63 = distinct !DIAssignID()383!64 = distinct !DIAssignID()384!65 = distinct !DIAssignID()385!66 = distinct !DIAssignID()386!67 = !DILocalVariable(name: "c", scope: !17, file: !3, line: 3, type: !7)387!68 = distinct !DIAssignID()388!69 = distinct !DIAssignID()389!70 = distinct !DIAssignID()390!71 = distinct !DIAssignID()391!72 = !DILocalVariable(name: "d", scope: !17, file: !3, line: 3, type: !7)392!73 = distinct !DIAssignID()393!74 = distinct !DIAssignID()394!75 = !DILocalVariable(name: "e", scope: !17, file: !3, line: 3, type: !7)395!76 = distinct !DIAssignID()396!77 = distinct !DIAssignID()397!78 = distinct !DIAssignID()398!79 = !DILocalVariable(name: "f", scope: !17, file: !3, line: 3, type: !7)399!80 = distinct !DIAssignID()400!81 = distinct !DIAssignID()401!82 = !DILocalVariable(name: "g", scope: !17, file: !3, line: 3, type: !7)402!83 = distinct !DIAssignID()403!84 = distinct !DIAssignID()404!1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true}405