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Honor -fdebug-prefix-map when creating function names for the debug i…
…nfo. This adds a callback to PrintingPolicy to allow CGDebugInfo to remap file paths according to -fdebug-prefix-map. Otherwise the debug info (particularly function names for C++ lambdas) may contain paths that should have been remapped in the debug info. <rdar://problem/46128056> Differential Revision: https://reviews.llvm.org/D55137 llvm-svn: 348397
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// RUN: %clang_cc1 -debug-info-kind=limited -triple %itanium_abi_triple \ | ||
// RUN: -fdebug-prefix-map=%S=/SOURCE_ROOT %s -emit-llvm -o - | FileCheck %s | ||
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template <typename T> void b(T) {} | ||
void c() { | ||
// CHECK: !DISubprogram(name: "b<(lambda at | ||
// CHECK-SAME: /SOURCE_ROOT/debug-prefix-map-lambda.cpp | ||
// CHECK-SAME: [[@LINE+1]]:{{[0-9]+}})>" | ||
b([]{}); | ||
} |