wanders created this revision.
wanders added reviewers: steven_wu, compnerd, rsmith.
wanders added a project: clang.
Herald added a subscriber: dexonsmith.
The -mno-red-zone (and the option to cancel it out: -mred-zone) were not
allowed to be combined with -fembed-bitcode. However this option has a
direct effect on the generated bitcode as it adds the 'noredzone'
attribute on all functions. This means it is propagated into the
embedded bitcode and it is possible to regenerate the same object from
the embedded bitcode. Therefore there is no reason to forbid it.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D61627
Files:
clang/lib/Driver/ToolChains/Clang.cpp
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -3674,8 +3674,6 @@
options::OPT_ffixed_x18,
options::OPT_mglobal_merge,
options::OPT_mno_global_merge,
- options::OPT_mred_zone,
- options::OPT_mno_red_zone,
options::OPT_Wa_COMMA,
options::OPT_Xassembler,
options::OPT_mllvm,
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -3674,8 +3674,6 @@
options::OPT_ffixed_x18,
options::OPT_mglobal_merge,
options::OPT_mno_global_merge,
- options::OPT_mred_zone,
- options::OPT_mno_red_zone,
options::OPT_Wa_COMMA,
options::OPT_Xassembler,
options::OPT_mllvm,
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