[PATCH] D132390: [MCContext] reverse order of DebugPrefixMap sort

[Fangrui Song via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG3922ec46b84a: [MCContext] Reverse order of DebugPrefixMap sort for generated assembly debug… (authored by dankm, committed by MaskRay).

Changed prior to commit:
  https://reviews.llvm.org/D132390?vs=455380&id=455471#toc

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D132390/new/

https://reviews.llvm.org/D132390

Files:
  llvm/include/llvm/MC/MCContext.h
  llvm/test/MC/ELF/debug-prefix-map.s


Index: llvm/test/MC/ELF/debug-prefix-map.s
===================================================================
--- llvm/test/MC/ELF/debug-prefix-map.s
+++ llvm/test/MC/ELF/debug-prefix-map.s
@@ -1,5 +1,5 @@
-# RUN: rm -rf %t.foo && mkdir %t.foo && cd %t.foo
-# RUN: cp %s %t.foo/src.s
+# RUN: rm -rf %t.foo && mkdir -p %t.foo/bar && cd %t.foo
+# RUN: cp %s %t.foo/src.s && cp %s %t.foo/bar/src.s
 
 # RUN: llvm-mc -triple=x86_64 -g -dwarf-version=4 src.s -filetype=obj -o nomap.4.o
 # RUN: llvm-dwarfdump -v -debug-info -debug-line nomap.4.o | FileCheck --check-prefix=NO_MAP_V4 %s
@@ -11,9 +11,10 @@
 # RUN: llvm-mc -triple=x86_64 -g -dwarf-version=5 src.s -filetype=obj -o map.5.o -fdebug-prefix-map=%t.foo=src_root
 # RUN: llvm-dwarfdump -v -debug-info -debug-line map.5.o | FileCheck --check-prefix=MAP_V5 %s
 
-# RUN: llvm-mc -triple=x86_64 -g -dwarf-version=4 %t.foo/src.s -filetype=obj -o mapabs.4.o -fdebug-prefix-map=%t.foo=/src_root
+# RUN: cd %t.foo/bar
+# RUN: llvm-mc -triple=x86_64 -g -dwarf-version=4 %t.foo%{fs-sep}bar%{fs-sep}src.s -filetype=obj -o mapabs.4.o -fdebug-prefix-map=%t.foo=/broken_root -fdebug-prefix-map=%t.foo%{fs-sep}bar=/src_root
 # RUN: llvm-dwarfdump -v -debug-info -debug-line mapabs.4.o | FileCheck --check-prefix=MAPABS_V4 %s
-# RUN: llvm-mc -triple=x86_64 -g -dwarf-version=5 %t.foo/src.s -filetype=obj -o mapabs.5.o -fdebug-prefix-map=%t.foo=/src_root
+# RUN: llvm-mc -triple=x86_64 -g -dwarf-version=5 %t.foo%{fs-sep}bar%{fs-sep}src.s -filetype=obj -o mapabs.5.o -fdebug-prefix-map=%t.foo%{fs-sep}bar=/src_root -fdebug-prefix-map=%t.foo=/broken_root
 # RUN: llvm-dwarfdump -v -debug-info -debug-line mapabs.5.o | FileCheck --check-prefix=MAPABS_V5 %s
 
 f:
Index: llvm/include/llvm/MC/MCContext.h
===================================================================
--- llvm/include/llvm/MC/MCContext.h
+++ llvm/include/llvm/MC/MCContext.h
@@ -190,7 +190,8 @@
   SmallString<128> CompilationDir;
 
   /// Prefix replacement map for source file information.
-  std::map<const std::string, const std::string> DebugPrefixMap;
+  std::map<std::string, const std::string, std::greater<std::string>>
+      DebugPrefixMap;
 
   /// The main file name if passed in explicitly.
   std::string MainFileName;


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