[clang] Teach -fembed-bitcode option not to embed W_value Group
Summary: -fembed-bitcode options doesn't embed warning options since they are useless to code generation. Make sure it handles the W_value group and not embed those options in the output. Reviewers: zixuw, arphaman Reviewed By: zixuw Subscribers: jkorous, dexonsmith, ributzka, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D83813
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@ -1086,8 +1086,7 @@ static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
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A->getOption().getID() == options::OPT_INPUT ||
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A->getOption().getID() == options::OPT_x ||
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A->getOption().getID() == options::OPT_fembed_bitcode ||
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(A->getOption().getGroup().isValid() &&
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A->getOption().getGroup().getID() == options::OPT_W_Group))
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A->getOption().matches(options::OPT_W_Group))
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continue;
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ArgStringList ASL;
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A->render(Args, ASL);
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@ -37,6 +37,11 @@
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; CHECK: @llvm.cmdline = private constant
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; CHECK: section "__LLVM,__cmdline"
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; check warning options are not embedded
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; RUN: %clang_cc1 -triple thumbv7-apple-ios8.0.0 -emit-llvm \
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; RUN: -fembed-bitcode=all -x ir %s -o - -Wall -Wundef-prefix=TEST \
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; RUN: | FileCheck %s -check-prefix=CHECK-WARNING
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; CHECK-ELF: @llvm.embedded.module
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; CHECK-ELF: section ".llvmbc"
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; CHECK-ELF: @llvm.cmdline
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@ -54,6 +59,9 @@
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; CHECK-MARKER: @llvm.cmdline
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; CHECK-MARKER: section "__LLVM,__cmdline"
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; CHECK-WARNING-NOT: Wall
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; CHECK-WARNING-NOT: Wundef-prefix
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define i32 @f0() {
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ret i32 0
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}
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