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-rw-r--r--clang/lib/Driver/ToolChains/Arch/Mips.cpp15
-rw-r--r--clang/lib/Driver/ToolChains/CommonArgs.cpp8
2 files changed, 20 insertions, 3 deletions
diff --git a/clang/lib/Driver/ToolChains/Arch/Mips.cpp b/clang/lib/Driver/ToolChains/Arch/Mips.cpp
index e72754d5ad5..a8bed7d7529 100644
--- a/clang/lib/Driver/ToolChains/Arch/Mips.cpp
+++ b/clang/lib/Driver/ToolChains/Arch/Mips.cpp
@@ -214,6 +214,7 @@ void mips::getMIPSTargetFeatures(const Driver &D, const llvm::Triple &Triple,
// For case (a) we need to add +noabicalls for N64.
bool IsN64 = ABIName == "64";
+ bool IsPIC = false;
bool NonPIC = false;
Arg *LastPICArg = Args.getLastArg(options::OPT_fPIC, options::OPT_fno_PIC,
@@ -225,6 +226,9 @@ void mips::getMIPSTargetFeatures(const Driver &D, const llvm::Triple &Triple,
NonPIC =
(O.matches(options::OPT_fno_PIC) || O.matches(options::OPT_fno_pic) ||
O.matches(options::OPT_fno_PIE) || O.matches(options::OPT_fno_pie));
+ IsPIC =
+ (O.matches(options::OPT_fPIC) || O.matches(options::OPT_fpic) ||
+ O.matches(options::OPT_fPIE) || O.matches(options::OPT_fpie));
}
bool UseAbiCalls = false;
@@ -234,9 +238,14 @@ void mips::getMIPSTargetFeatures(const Driver &D, const llvm::Triple &Triple,
UseAbiCalls =
!ABICallsArg || ABICallsArg->getOption().matches(options::OPT_mabicalls);
- if (UseAbiCalls && IsN64 && NonPIC) {
- D.Diag(diag::warn_drv_unsupported_abicalls);
- UseAbiCalls = false;
+ if (IsN64 && NonPIC && (!ABICallsArg || UseAbiCalls)) {
+ D.Diag(diag::warn_drv_unsupported_pic_with_mabicalls)
+ << LastPICArg->getAsString(Args) << (!ABICallsArg ? 0 : 1);
+ NonPIC = false;
+ }
+
+ if (ABICallsArg && !UseAbiCalls && IsPIC) {
+ D.Diag(diag::err_drv_unsupported_noabicalls_pic);
}
if (!UseAbiCalls)
diff --git a/clang/lib/Driver/ToolChains/CommonArgs.cpp b/clang/lib/Driver/ToolChains/CommonArgs.cpp
index be09bc19fda..7013b43d700 100644
--- a/clang/lib/Driver/ToolChains/CommonArgs.cpp
+++ b/clang/lib/Driver/ToolChains/CommonArgs.cpp
@@ -1018,6 +1018,14 @@ tools::ParsePICArgs(const ToolChain &ToolChain, const ArgList &Args) {
Triple.getArch() == llvm::Triple::mipsel ||
Triple.getArch() == llvm::Triple::mips64 ||
Triple.getArch() == llvm::Triple::mips64el) {
+ StringRef CPUName;
+ StringRef ABIName;
+ mips::getMipsCPUAndABI(Args, Triple, CPUName, ABIName);
+ // When targeting the N64 ABI, PIC is the default, except in the case
+ // when the -mno-abicalls option is used. In that case we exit
+ // at next check regardless of PIC being set below.
+ if (ABIName == "n64")
+ PIC = true;
// When targettng MIPS with -mno-abicalls, it's always static.
if(Args.hasArg(options::OPT_mno_abicalls))
return std::make_tuple(llvm::Reloc::Static, 0U, false);
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