Android no longer supports arm < 7 (llvm#123952)

Author: hiraditya

clang/lib/Driver/ToolChains/Arch/ARM.cpp

@@ -443,14 +443,13 @@ arm::FloatABI arm::getDefaultFloatABI(const llvm::Triple &Triple) {
     case llvm::Triple::MuslEABIHF:
     case llvm::Triple::EABIHF:
       return FloatABI::Hard;
+    case llvm::Triple::Android:
     case llvm::Triple::GNUEABI:
     case llvm::Triple::GNUEABIT64:
     case llvm::Triple::MuslEABI:
     case llvm::Triple::EABI:
       // EABI is always AAPCS, and if it was not marked 'hard', it's softfp
       return FloatABI::SoftFP;
-    case llvm::Triple::Android:
-      return (SubArch >= 7) ? FloatABI::SoftFP : FloatABI::Soft;
     default:
       return FloatABI::Invalid;
     }

clang/test/Driver/arm-mfpu.c

@@ -388,18 +388,6 @@
 // CHECK-SOFT-ABI-FP-DAG: "-target-feature" "-aes"
 // CHECK-SOFT-ABI-FP-DAG: "-target-feature" "-fpregs"
 
-// RUN: %clang -target arm-linux-androideabi21 %s -### -c 2>&1 \
-// RUN:   | FileCheck --check-prefix=CHECK-ARM5-ANDROID-FP-DEFAULT %s
-// CHECK-ARM5-ANDROID-FP-DEFAULT-DAG: "-target-feature" "+soft-float"
-// CHECK-ARM5-ANDROID-FP-DEFAULT-DAG: "-target-feature" "+soft-float-abi"
-// CHECK-ARM5-ANDROID-FP-DEFAULT-NOT: "-target-feature" "+d32"
-// CHECK-ARM5-ANDROID-FP-DEFAULT-NOT: "-target-feature" "+vfp3"
-// CHECK-ARM5-ANDROID-FP-DEFAULT-NOT: "-target-feature" "+vfp4"
-// CHECK-ARM5-ANDROID-FP-DEFAULT-NOT: "-target-feature" "+fp-armv8"
-// CHECK-ARM5-ANDROID-FP-DEFAULT-NOT: "-target-feature" "+neon"
-// CHECK-ARM5-ANDROID-FP-DEFAULT-NOT: "-target-feature" "+sha2"
-// CHECK-ARM5-ANDROID-FP-DEFAULT-NOT: "-target-feature" "+aes"
-
 // RUN: %clang -target armv7-linux-androideabi21 %s -### -c 2>&1 \
 // RUN:   | FileCheck --check-prefix=CHECK-ARM7-ANDROID-FP-DEFAULT %s
 // CHECK-ARM7-ANDROID-FP-DEFAULT-NOT: "-target-feature" "+soft-float"

clang/test/Driver/linux-as.c

@@ -106,11 +106,6 @@
 // RUN:   | FileCheck -check-prefix=CHECK-ARM-MFLOAT-ABI %s
 // CHECK-ARM-MFLOAT-ABI: as{{(.exe)?}}" "-EL" "-mfloat-abi=hard"
 //
-// RUN: %clang -target arm-linux-androideabi -### \
-// RUN:   -no-integrated-as -c %s 2>&1 \
-// RUN:   | FileCheck -check-prefix=CHECK-ARM-ANDROID %s
-// CHECK-ARM-ANDROID: as{{(.exe)?}}" "-EL" "-mfloat-abi=soft"
-//
 // RUN: %clang -target arm-linux-androideabi -march=armv7-a -### \
 // RUN:   -no-integrated-as -c %s 2>&1 \
 // RUN:   | FileCheck -check-prefix=CHECK-ARM-ANDROID-SOFTFP %s