1 ; RUN: llc -filetype=obj %s -o - | llvm-dwarfdump -debug-dump=frames - | FileCheck %s 2 3 ; IR reduced from a dummy: 4 ; void foo() {} 5 6 ; x86 Darwin uses different register mappings for eh_frame and debug_frame 7 ; sections. Check that the right mapping is used in debug_frame. 8 ; In the debug_frame mapping, regsiter 4 is ESP, thus the below tests that 9 ; the CFA is ESP+4 upon function entry. 10 11 ; CHECK: .debug_frame contents: 12 ; CHECK: ffffffff CIE 13 ; CHECK-NOT: {{CIE|FDE}} 14 ; CHECK: DW_CFA_def_cfa: reg4 +4 15 16 ; ModuleID = 'foo.c' 17 target datalayout = "e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128" 18 target triple = "i386-apple-macosx10.10.0" 19 20 ; Function Attrs: nounwind ssp 21 define void @foo() #0 { 22 entry: 23 ret void 24 } 25 26 attributes #0 = { nounwind } 27 28 !llvm.dbg.cu = !{!0} 29 !llvm.module.flags = !{!3, !4, !5} 30 !llvm.ident = !{!6} 31 32 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.7.0 (trunk 230514) (llvm/trunk 230518)", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !2, globals: !2, imports: !2) 33 !1 = !DIFile(filename: "foo.c", directory: "/tmp") 34 !2 = !{} 35 !3 = !{i32 2, !"Dwarf Version", i32 2} 36 !4 = !{i32 2, !"Debug Info Version", i32 3} 37 !5 = !{i32 1, !"PIC Level", i32 2} 38 !6 = !{!"clang version 3.7.0 (trunk 230514) (llvm/trunk 230518)"} 39
