r368128 - [RISCV] Remove duplicated logic when determining the target ABI

[Roger Ferrer Ibanez via cfe-commits]

Author: rogfer01
Date: Wed Aug  7 00:08:00 2019
New Revision: 368128

URL: http://llvm.org/viewvc/llvm-project?rev=368128&view=rev
Log:
[RISCV] Remove duplicated logic when determining the target ABI

We were calculating twice ilp32/lp64. Do this in one place instead.

Differential Revision: https://reviews.llvm.org/D48357

Modified:
    cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.cpp
    cfe/trunk/lib/Driver/ToolChains/Clang.cpp

Modified: cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.cpp?rev=368128&r1=368127&r2=368128&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Arch/RISCV.cpp Wed Aug  7 00:08:00 2019
@@ -372,8 +372,14 @@ void riscv::getRISCVTargetFeatures(const
 }
 
 StringRef riscv::getRISCVABI(const ArgList &Args, const llvm::Triple &Triple) {
-  if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ))
+  assert((Triple.getArch() == llvm::Triple::riscv32 ||
+          Triple.getArch() == llvm::Triple::riscv64) &&
+         "Unexpected triple");
+
+  if (const Arg *A = Args.getLastArg(options::OPT_mabi_EQ))
     return A->getValue();
 
+  // FIXME: currently defaults to the soft-float ABIs. Will need to be
+  // expanded to select ilp32f, ilp32d, lp64f, lp64d when appropriate.
   return Triple.getArch() == llvm::Triple::riscv32 ? "ilp32" : "lp64";
 }

Modified: cfe/trunk/lib/Driver/ToolChains/Clang.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains/Clang.cpp?rev=368128&r1=368127&r2=368128&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/ToolChains/Clang.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains/Clang.cpp Wed Aug  7 00:08:00 2019
@@ -1848,21 +1848,11 @@ void Clang::AddPPCTargetArgs(const ArgLi
 
 void Clang::AddRISCVTargetArgs(const ArgList &Args,
                                ArgStringList &CmdArgs) const {
-  // FIXME: currently defaults to the soft-float ABIs. Will need to be
-  // expanded to select ilp32f, ilp32d, lp64f, lp64d when appropriate.
-  const char *ABIName = nullptr;
   const llvm::Triple &Triple = getToolChain().getTriple();
-  if (Arg *A = Args.getLastArg(options::OPT_mabi_EQ))
-    ABIName = A->getValue();
-  else if (Triple.getArch() == llvm::Triple::riscv32)
-    ABIName = "ilp32";
-  else if (Triple.getArch() == llvm::Triple::riscv64)
-    ABIName = "lp64";
-  else
-    llvm_unreachable("Unexpected triple!");
+  StringRef ABIName = riscv::getRISCVABI(Args, Triple);
 
   CmdArgs.push_back("-target-abi");
-  CmdArgs.push_back(ABIName);
+  CmdArgs.push_back(ABIName.data());
 }
 
 void Clang::AddSparcTargetArgs(const ArgList &Args,