From ce32625966a922fe96aababe0ed975ada004901f Mon Sep 17 00:00:00 2001 From: Kiran Chandramohan Date: Tue, 21 Jan 2025 07:57:44 +0000 Subject: Reland "[Flang][Driver] Add a flag to control zero initialization" (#123606) Reverts llvm/llvm-project#123330 --- flang/lib/Frontend/CompilerInvocation.cpp | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'flang/lib/Frontend/CompilerInvocation.cpp') diff --git a/flang/lib/Frontend/CompilerInvocation.cpp b/flang/lib/Frontend/CompilerInvocation.cpp index 15b1e1e..3c6da46 100644 --- a/flang/lib/Frontend/CompilerInvocation.cpp +++ b/flang/lib/Frontend/CompilerInvocation.cpp @@ -1377,6 +1377,14 @@ bool CompilerInvocation::createFromArgs( invoc.loweringOpts.setNoPPCNativeVecElemOrder(true); } + // -f[no-]init-global-zero + if (args.hasFlag(clang::driver::options::OPT_finit_global_zero, + clang::driver::options::OPT_fno_init_global_zero, + /*default=*/true)) + invoc.loweringOpts.setInitGlobalZero(true); + else + invoc.loweringOpts.setInitGlobalZero(false); + // Preserve all the remark options requested, i.e. -Rpass, -Rpass-missed or // -Rpass-analysis. This will be used later when processing and outputting the // remarks generated by LLVM in ExecuteCompilerInvocation.cpp. -- cgit v1.1