1;; Test mips32: 2; RUN: llc -emit-call-site-info %s -mtriple=mips -filetype=obj -o -| llvm-dwarfdump -| FileCheck %s 3;; Test mipsel: 4; RUN: llc -emit-call-site-info %s -mtriple=mipsel -filetype=obj -o -| llvm-dwarfdump -| FileCheck %s 5;; Test mips64: 6; RUN: llc -emit-call-site-info %s -mtriple=mips64 -filetype=obj -o -| llvm-dwarfdump -| FileCheck %s 7;; Test mips64el: 8; RUN: llc -emit-call-site-info %s -mtriple=mips64el -filetype=obj -o -| llvm-dwarfdump -| FileCheck %s 9 10;; Source: 11;; __attribute__((noinline)) 12;; extern void f1(int a); 13;; __attribute__((noinline)) 14;; int main(){ 15;; int x = 10; 16;; f1(x); 17;; return ++x; 18;; } 19;; Command: clang -g -O2 -target mips-linux-gnu -S -emit-llvm m.c -c 20;; Confirm that DW_AT_low_pc (call return address) points to instruction after call delay slot. 21 22;; Test mips, mipsel, mips64, mips64el: 23; CHECK: DW_TAG_GNU_call_site 24; CHECK-NEXT: DW_AT_abstract_origin {{.*}} "f1" 25; CHECK-NEXT: DW_AT_low_pc (0x{{(00000000)?}}00000010) 26 27; ModuleID = 'm.c' 28source_filename = "m.c" 29target datalayout = "E-m:m-p:32:32-i8:8:32-i16:16:32-i64:64-n32-S64" 30target triple = "mips-unknown-linux-gnu" 31 32; Function Attrs: noinline nounwind 33define dso_local i32 @main() local_unnamed_addr !dbg !12 { 34entry: 35 call void @llvm.dbg.value(metadata i32 10, metadata !16, metadata !DIExpression()), !dbg !17 36 tail call void @f1(i32 signext 10), !dbg !17 37 call void @llvm.dbg.value(metadata i32 11, metadata !16, metadata !DIExpression()), !dbg !17 38 ret i32 11, !dbg !17 39} 40 41declare !dbg !4 dso_local void @f1(i32 signext) local_unnamed_addr 42 43; Function Attrs: nounwind readnone speculatable willreturn 44declare void @llvm.dbg.value(metadata, metadata, metadata) 45 46!llvm.dbg.cu = !{!0} 47!llvm.module.flags = !{!8, !9, !10} 48!llvm.ident = !{!11} 49 50!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) 51!1 = !DIFile(filename: "m.c", directory: "/dir") 52!2 = !{} 53!3 = !{!4} 54!4 = !DISubprogram(name: "f1", scope: !1, file: !1, line: 2, type: !5, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !2) 55!5 = !DISubroutineType(types: !6) 56!6 = !{null, !7} 57!7 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 58!8 = !{i32 7, !"Dwarf Version", i32 4} 59!9 = !{i32 2, !"Debug Info Version", i32 3} 60!10 = !{i32 1, !"wchar_size", i32 4} 61!11 = !{!"clang version 11.0.0"} 62!12 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 5, type: !13, scopeLine: 5, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !15) 63!13 = !DISubroutineType(types: !14) 64!14 = !{!7} 65!15 = !{!16} 66!16 = !DILocalVariable(name: "x", scope: !12, file: !1, line: 6, type: !7) 67!17 = !DILocation(line: 0, scope: !12) 68