Auto merge of #113911 - matthiaskrgr:rollup-wk6cr7v, r=matthiaskrgr

Rollup of 5 pull requests

Successful merges:

 - #113380 (style-guide: clean up "must"/"should"/"may")
 - #113723 (Resurrect: rustc_llvm: Add a -Z `print-codegen-stats` option to expose LLVM statistics.)
 - #113780 (Support `--print KIND=PATH` command line syntax)
 - #113810 (Make {Rc,Arc}::allocator associated functions)
 - #113907 (Minor improvements to Windows TLS dtors)

Failed merges:

 - #113392 (style-guide: Some cleanups from the fmt-rfcs repo history)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 21 insertions, 3 deletions

diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
index ab5fa961b95..870a2e02cba 100644
--- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
@@ -1,4 +1,5 @@
 #include "LLVMWrapper.h"
+#include "llvm/ADT/Statistic.h"
 #include "llvm/IR/DebugInfoMetadata.h"
 #include "llvm/IR/DiagnosticHandler.h"
 #include "llvm/IR/DiagnosticInfo.h"
@@ -111,9 +112,26 @@ extern "C" void LLVMRustSetNormalizedTarget(LLVMModuleRef M,
   unwrap(M)->setTargetTriple(Triple::normalize(Triple));
 }
 
-extern "C" void LLVMRustPrintPassTimings() {
-  raw_fd_ostream OS(2, false); // stderr.
-  TimerGroup::printAll(OS);
+extern "C" const char *LLVMRustPrintPassTimings(size_t *Len) {
+  std::string buf;
+  raw_string_ostream SS(buf);
+  TimerGroup::printAll(SS);
+  SS.flush();
+  *Len = buf.length();
+  char *CStr = (char *)malloc(*Len);
+  memcpy(CStr, buf.c_str(), *Len);
+  return CStr;
+}
+
+extern "C" const char *LLVMRustPrintStatistics(size_t *Len) {
+  std::string buf;
+  raw_string_ostream SS(buf);
+  llvm::PrintStatistics(SS);
+  SS.flush();
+  *Len = buf.length();
+  char *CStr = (char *)malloc(*Len);
+  memcpy(CStr, buf.c_str(), *Len);
+  return CStr;
 }
 
 extern "C" LLVMValueRef LLVMRustGetNamedValue(LLVMModuleRef M, const char *Name,