[llvm] Check the debug info line table for basic block sections.

Extend the existing basic block sections debug info test to check for the correctness of the generated line table.

Differential Revision: https://reviews.llvm.org/D90989

diff --git a/llvm/test/DebugInfo/X86/basic-block-sections_1.ll b/llvm/test/DebugInfo/X86/basic-block-sections_1.ll
index 4db7d20..98728d5 100644 (file)
--- a/llvm/test/DebugInfo/X86/basic-block-sections_1.ll
+++ b/llvm/test/DebugInfo/X86/basic-block-sections_1.ll
@@ -2,14 +2,15 @@
 ; RUN: llc -O0 %s --basic-block-sections=all --unique-basic-block-section-names -mtriple=x86_64 -filetype=obj -o %t && llvm-dwarfdump -debug-info -v %t | FileCheck --check-prefix=BB-SECTIONS %s
 ; RUN: llc -O0 %s --basic-block-sections=all --unique-basic-block-section-names -mtriple=x86_64 -filetype=obj -split-dwarf-file=%t.dwo -o %t && llvm-dwarfdump -debug-info -v %t | FileCheck --check-prefix=BB-SECTIONS %s
 ; RUN: llc -O0 %s --basic-block-sections=all -mtriple=x86_64 -o - | FileCheck --check-prefix=BB-SECTIONS-ASM %s
+; RUN: llc -O0 %s -mtriple=x86_64 -filetype=obj -o %t && llvm-dwarfdump  -debug-line %t | FileCheck --check-prefix=BB-SECTIONS-LINE-TABLE %s
 
 ; From:
-; int foo(int a) {
-;   if (a > 20)
-;     return 2;
-;   else
-;     return 0;
-; }
+; 1  int foo(int a) {
+; 2    if (a > 20)
+; 3      return 2;
+; 4    else
+; 5      return 0;
+; 6  }
 
 ; NO-SECTIONS: DW_AT_low_pc [DW_FORM_addr] (0x0000000000000000 ".text")
 ; NO-SECTIONS: DW_AT_high_pc [DW_FORM_data4] ({{.*}})
@@ -47,6 +48,13 @@
 ; BB-SECTIONS-ASM-NEXT:        .quad   .Lfunc_end0
 ; BB-SECTIONS-ASM-NEXT:        .quad   0
 ; BB-SECTIONS-ASM-NEXT:        .quad   0
+; BB-SECTIONS-LINE-TABLE:      0x0000000000000000 1 0 1 0 0 is_stmt
+; BB-SECTIONS-LINE-TABLE-NEXT: 0x0000000000000004 2 9 1 0 0 is_stmt prologue_end
+; BB-SECTIONS-LINE-TABLE-NEXT: 0x0000000000000009 2 7 1 0 0
+; BB-SECTIONS-LINE-TABLE-NEXT: 0x000000000000000b 3 5 1 0 0 is_stmt
+; BB-SECTIONS-LINE-TABLE-NEXT: 0x0000000000000015 5 5 1 0 0 is_stmt
+; BB-SECTIONS-LINE-TABLE-NEXT: 0x000000000000001d 6 1 1 0 0 is_stmt
+; BB-SECTIONS-LINE-TABLE-NEXT: 0x0000000000000022 6 1 1 0 0 is_stmt end_sequence
 
 ; Function Attrs: noinline nounwind optnone uwtable
 define dso_local i32 @_Z3fooi(i32 %0) !dbg !7 {