;; Test mips32: ; RUN: llc -emit-call-site-info -stop-after=livedebugvalues -mtriple=mips-linux-gnu -o - %s | FileCheck %s ; RUN: llc -force-instr-ref-livedebugvalues=1 -emit-call-site-info -stop-after=livedebugvalues -mtriple=mips-linux-gnu -o - %s | FileCheck %s ;; Test mipsel: ; RUN: llc -emit-call-site-info -stop-after=livedebugvalues -mtriple=mipsel-linux-gnu -o - %s | FileCheck %s --check-prefix=CHECKel ; RUN: llc -force-instr-ref-livedebugvalues=1 -emit-call-site-info -stop-after=livedebugvalues -mtriple=mipsel-linux-gnu -o - %s | FileCheck %s --check-prefix=CHECKel ;; Built from source: ;; extern long fn1(long,long,long); ;; long fn2(long a, long b, long c) { ;; long local = fn1(a+b, c, b+10); ;; if (local > 10) ;; return local + 10; ;; return b; ;; } ;; Using command: ;; clang -g -O2 -target mips-linux-gnu m.c -c -S -emit-llvm ;; Confirm that info from callSites attribute is used as entry_value in DIExpression. ;; Test mips32: ; CHECK: $a0 = nsw ADDu $a1, killed renamable $a0, ; CHECK-NEXT: DBG_VALUE $a0, $noreg, !14, !DIExpression(DW_OP_LLVM_entry_value, 1) ;; Test mipsel: ; CHECKel: $a0 = nsw ADDu $a1, killed renamable $a0, ; CHECKel-NEXT: DBG_VALUE $a0, $noreg, !14, !DIExpression(DW_OP_LLVM_entry_value, 1) ; ModuleID = 'm.c' source_filename = "m.c" target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64" target triple = "mips-unknown-linux-gnu" ; Function Attrs: nounwind define dso_local i32 @fn2(i32 signext %a, i32 signext %b, i32 signext %c) local_unnamed_addr !dbg !12 { entry: call void @llvm.dbg.value(metadata i32 %a, metadata !14, metadata !DIExpression()), !dbg !18 call void @llvm.dbg.value(metadata i32 %b, metadata !15, metadata !DIExpression()), !dbg !18 call void @llvm.dbg.value(metadata i32 %c, metadata !16, metadata !DIExpression()), !dbg !18 %add = add nsw i32 %b, %a, !dbg !18 %add1 = add nsw i32 %b, 10, !dbg !18 %call = tail call i32 @fn1(i32 signext %add, i32 signext %c, i32 signext %add1), !dbg !18 call void @llvm.dbg.value(metadata i32 %call, metadata !17, metadata !DIExpression()), !dbg !18 %cmp = icmp sgt i32 %call, 10, !dbg !22 %add2 = add nsw i32 %call, 10, !dbg !18 %retval.0 = select i1 %cmp, i32 %add2, i32 %b, !dbg !18 ret i32 %retval.0, !dbg !18 } declare !dbg !4 dso_local i32 @fn1(i32 signext, i32 signext, i32 signext) local_unnamed_addr ; Function Attrs: nounwind readnone speculatable willreturn declare void @llvm.dbg.value(metadata, metadata, metadata) !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!8, !9, !10} !llvm.ident = !{!11} !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !3, splitDebugInlining: false, nameTableKind: None) !1 = !DIFile(filename: "m.c", directory: "/dir") !2 = !{} !3 = !{!4} !4 = !DISubprogram(name: "fn1", scope: !1, file: !1, line: 1, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) !5 = !DISubroutineType(types: !6) !6 = !{!7, !7, !7, !7} !7 = !DIBasicType(name: "long int", size: 32, encoding: DW_ATE_signed) !8 = !{i32 7, !"Dwarf Version", i32 4} !9 = !{i32 2, !"Debug Info Version", i32 3} !10 = !{i32 1, !"wchar_size", i32 4} !11 = !{!"clang version 11.0.0"} !12 = distinct !DISubprogram(name: "fn2", scope: !1, file: !1, line: 2, type: !5, scopeLine: 2, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !13) !13 = !{!14, !15, !16, !17} !14 = !DILocalVariable(name: "a", arg: 1, scope: !12, file: !1, line: 2, type: !7) !15 = !DILocalVariable(name: "b", arg: 2, scope: !12, file: !1, line: 2, type: !7) !16 = !DILocalVariable(name: "c", arg: 3, scope: !12, file: !1, line: 2, type: !7) !17 = !DILocalVariable(name: "local", scope: !12, file: !1, line: 3, type: !7) !18 = !DILocation(line: 0, scope: !12) !22 = !DILocation(line: 4, column: 13, scope: !23) !23 = distinct !DILexicalBlock(scope: !12, file: !1, line: 4, column: 7)