[PATCH] D22904: Fix two bugs for musl-libc on ARM

[Diana Picus via cfe-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL277985: Fix two bugs for musl-libc on ARM (authored by rovka).

Changed prior to commit:
  https://reviews.llvm.org/D22904?vs=66074&id=67131#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D22904

Files:
  cfe/trunk/lib/Driver/ToolChains.cpp
  cfe/trunk/test/Driver/linux-ld.c

Index: cfe/trunk/test/Driver/linux-ld.c
===================================================================
--- cfe/trunk/test/Driver/linux-ld.c
+++ cfe/trunk/test/Driver/linux-ld.c
@@ -1613,24 +1613,36 @@
 // RUN:     --target=thumb-pc-linux-musleabihf \
 // RUN:   | FileCheck --check-prefix=CHECK-MUSL-ARMHF %s
 // RUN: %clang %s -### -o %t.o 2>&1 \
+// RUN:     --target=thumbv7-pc-linux-musleabi -mhard-float \
+// RUN:   | FileCheck --check-prefix=CHECK-MUSL-ARMHF %s
+// RUN: %clang %s -### -o %t.o 2>&1 \
 // RUN:     --target=thumbeb-pc-linux-musleabi \
 // RUN:   | FileCheck --check-prefix=CHECK-MUSL-ARMEB %s
 // RUN: %clang %s -### -o %t.o 2>&1 \
 // RUN:     --target=thumbeb-pc-linux-musleabihf \
 // RUN:   | FileCheck --check-prefix=CHECK-MUSL-ARMEBHF %s
 // RUN: %clang %s -### -o %t.o 2>&1 \
+// RUN:     --target=thumbv7eb-pc-linux-musleabi -mhard-float \
+// RUN:   | FileCheck --check-prefix=CHECK-MUSL-ARMEBHF %s
+// RUN: %clang %s -### -o %t.o 2>&1 \
 // RUN:     --target=arm-pc-linux-musleabi \
 // RUN:   | FileCheck --check-prefix=CHECK-MUSL-ARM %s
 // RUN: %clang %s -### -o %t.o 2>&1 \
 // RUN:     --target=arm-pc-linux-musleabihf \
 // RUN:   | FileCheck --check-prefix=CHECK-MUSL-ARMHF %s
 // RUN: %clang %s -### -o %t.o 2>&1 \
+// RUN:     --target=armv7-pc-linux-musleabi -mhard-float \
+// RUN:   | FileCheck --check-prefix=CHECK-MUSL-ARMHF %s
+// RUN: %clang %s -### -o %t.o 2>&1 \
 // RUN:     --target=armeb-pc-linux-musleabi \
 // RUN:   | FileCheck --check-prefix=CHECK-MUSL-ARMEB %s
 // RUN: %clang %s -### -o %t.o 2>&1 \
 // RUN:     --target=armeb-pc-linux-musleabihf \
 // RUN:   | FileCheck --check-prefix=CHECK-MUSL-ARMEBHF %s
 // RUN: %clang %s -### -o %t.o 2>&1 \
+// RUN:     --target=armv7eb-pc-linux-musleabi -mhard-float \
+// RUN:   | FileCheck --check-prefix=CHECK-MUSL-ARMEBHF %s
+// RUN: %clang %s -### -o %t.o 2>&1 \
 // RUN:     --target=aarch64-pc-linux-musleabi \
 // RUN:   | FileCheck --check-prefix=CHECK-MUSL-AARCH64 %s
 // RUN: %clang %s -### -o %t.o 2>&1 \
Index: cfe/trunk/lib/Driver/ToolChains.cpp
===================================================================
--- cfe/trunk/lib/Driver/ToolChains.cpp
+++ cfe/trunk/lib/Driver/ToolChains.cpp
@@ -4274,19 +4274,28 @@
 
   if (Triple.isAndroid())
     return Triple.isArch64Bit() ? "/system/bin/linker64" : "/system/bin/linker";
-  else if (Triple.isMusl()) {
+
+  if (Triple.isMusl()) {
     std::string ArchName;
+    bool IsArm = false;
+
     switch (Arch) {
+    case llvm::Triple::arm:
     case llvm::Triple::thumb:
       ArchName = "arm";
+      IsArm = true;
       break;
+    case llvm::Triple::armeb:
     case llvm::Triple::thumbeb:
       ArchName = "armeb";
+      IsArm = true;
       break;
     default:
       ArchName = Triple.getArchName().str();
     }
-    if (Triple.getEnvironment() == llvm::Triple::MuslEABIHF)
+    if (IsArm &&
+        (Triple.getEnvironment() == llvm::Triple::MuslEABIHF ||
+         tools::arm::getARMFloatABI(*this, Args) == tools::arm::FloatABI::Hard))
       ArchName += "hf";
 
     return "/lib/ld-musl-" + ArchName + ".so.1";


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