Honor explicit section information on Darwin.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46267 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 416084a..1203967 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -908,6 +908,10 @@
         std::string SectionName = ".section " + I->getSection();
         SectionName += ",\"aw\",%progbits";
         SwitchToDataSection(SectionName.c_str());
+      } else if (I->hasSection() && Subtarget->isTargetDarwin()) {
+        // Honor all section names on Darwin; ObjC uses this
+        std::string SectionName = ".section " + I->getSection();
+        SwitchToDataSection(SectionName.c_str());
       } else {
         if (C->isNullValue() && !NoZerosInBSS && TAI->getBSSSection())
           SwitchToDataSection(I->isThreadLocal() ? TAI->getTLSBSSSection() :
diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp
index d5367dc..bab1af3 100644
--- a/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -958,8 +958,11 @@
             break;
           }
         }
-
-        if (!I->isConstant())
+        if (I->hasSection()) {
+          // Honor all section names on Darwin; ObjC uses this
+          std::string SectionName = ".section " + I->getSection();
+          SwitchToDataSection(SectionName.c_str());
+        } else if (!I->isConstant())
           SwitchToDataSection(TAI->getDataSection(), I);
         else {
           // Read-only data.
diff --git a/lib/Target/X86/X86AsmPrinter.cpp b/lib/Target/X86/X86AsmPrinter.cpp
index ef8cbea..0b8c31c 100644
--- a/lib/Target/X86/X86AsmPrinter.cpp
+++ b/lib/Target/X86/X86AsmPrinter.cpp
@@ -275,7 +275,10 @@
           assert(!Subtarget->isTargetDarwin());
           SectionName += ",\"aw\",@progbits";
         }
-
+        SwitchToDataSection(SectionName.c_str());
+      } else if (I->hasSection() && Subtarget->isTargetDarwin()) {
+        // Honor all section names on Darwin; ObjC uses this
+        std::string SectionName = ".section " + I->getSection();
         SwitchToDataSection(SectionName.c_str());
       } else {
         if (C->isNullValue() && !NoZerosInBSS && TAI->getBSSSection())