Test case improvement (Do not optimize debug locations across section boundaries/D149294)

[pcalixte]

Summary

Ensure that the expected location directives are from different sections.

[probinson]

LGTM

[pcalixte]

Hi dblaikie (David Blaikie):
Thank you for committing the original change, would you be able to make that update as well?

llvm/test/DebugInfo/X86/basic-block-sections-debug-lineinfo-at-section-boundary.ll

 ; RUN: llc -mtriple=x86_64-unknown-linux-gnu --basic-block-sections=all < %s | FileCheck %s
 ;
 ; Verify that AsmPrinter does not optimize debug line directives
 ; across two distinct sections. Such optimization will lead
 ; to incorrect debug line number if the memory layout of those
 ; sections does not strictly mirror the order in the Asm file.
 ;
 ;    int G;
 ;    void func(int x) {
 ;      if (x) G=0;
 ;    }
 ;
 ; Reduced from the above example, the IR has been modified so that
 ; the store and return instructions have the same DebugLoc; in this
-; context, we should see 2 different directives for line #4
+; context, we should see 2 different directives for line #4 with an
+; intervening section directive.
 ;
-; CHECK-COUNT-2: .loc    0 4 1
+; CHECK: .loc    0 4 1
+; CHECK: .section .text.func,"ax",@progbits,unique
+; CHECK: .loc    0 4 1
 
 define void @func(i1 %0) !dbg !8 {
   br i1 %0, label %3, label %2
 
 2:                                                ; preds = %1
   store i32 0, ptr null, align 4, !dbg !12
   br label %3