[Driver] Support for compressed debug info on Fuchsia

Pass the --compress-debug-sections=zlib argument to the linker when the use of compressed debug info is requested. Differential Revision: https://reviews.llvm.org/D114115
llvm · Apr 27, 2022 · 2d0c897 · 2d0c897
1 parent 6d6288f
commit 2d0c897
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diff --git a/clang/lib/Driver/ToolChains/Fuchsia.cpp b/clang/lib/Driver/ToolChains/Fuchsia.cpp
@@ -127,6 +127,7 @@ void fuchsia::Linker::ConstructJob(Compilation &C, const JobAction &JA,
                   D.getLTOMode() == LTOK_Thin);
   }
 
+  addLinkerCompressDebugSectionsOption(ToolChain, Args, CmdArgs);
   AddLinkerInputs(ToolChain, Inputs, Args, CmdArgs, JA);
 
   if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,

diff --git a/clang/test/Driver/fuchsia.c b/clang/test/Driver/fuchsia.c
@@ -253,6 +253,15 @@
 // CHECK-THINLTO: "-plugin-opt=thinlto"
 // CHECK-THINLTO: "-plugin-opt=jobs=8"
 
+// RUN: %clang %s -### --target=x86_64-unknown-fuchsia \
+// RUN:     --sysroot=%S/platform \
+// RUN:     -Og -gz 2>&1 \
+// RUN:     | FileCheck %s -check-prefix=CHECK-GZ
+// CHECK-GZ: "{{[^"]*}}clang{{[^"]*}}"
+// CHECK-GZ: "--compress-debug-sections=zlib"
+// CHECK-GZ: "{{[^"]*}}ld.lld{{[^"]*}}"
+// CHECK-GZ: "--compress-debug-sections=zlib"
+
 // RUN: %clang %s -### --target=x86_64-unknown-fuchsia \
 // RUN:     -gsplit-dwarf -g -c %s 2>&1 \
 // RUN:     | FileCheck %s -check-prefix=CHECK-SPLIT-DWARF