switch (Triple.getArch()) {
case llvm::Triple::x86:
return !areOptimizationsEnabled(Args);
+ case llvm::Triple::x86_64:
+ return Triple.isOSBinFormatMachO();
case llvm::Triple::arm:
case llvm::Triple::thumb:
// Windows on ARM builds with FPO disabled to aid fast stack walking
// RUN: %clang -target x86_64-pc-linux -### -S -O2 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK2-64 %s
// RUN: %clang -target x86_64-pc-linux -### -S -O3 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK3-64 %s
// RUN: %clang -target x86_64-pc-linux -### -S -Os %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECKs-64 %s
+// RUN: %clang -target x86_64-pc-win32-macho -### -S -O3 %s -o %t.s 2>&1 | FileCheck -check-prefix=CHECK-MACHO-64 %s
// Trust the above to get the optimizations right, and just test other targets
// that want this by default.
// CHECK2-64-NOT: -mdisable-fp-elim
// CHECK3-64-NOT: -mdisable-fp-elim
// CHECKs-64-NOT: -mdisable-fp-elim
+// CHECK-MACHO-64: -mdisable-fp-elim