More dead code removal (using -Wunreachable-code)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86FrameLowering.cpp b/lib/Target/X86/X86FrameLowering.cpp
index b438672..17884eb 100644
--- a/lib/Target/X86/X86FrameLowering.cpp
+++ b/lib/Target/X86/X86FrameLowering.cpp
@@ -1305,28 +1305,22 @@
/// the first register, false for the second.
static unsigned
GetScratchRegister(bool Is64Bit, const MachineFunction &MF, bool Primary) {
- if (Is64Bit) {
+ if (Is64Bit)
return Primary ? X86::R11 : X86::R12;
- } else {
- CallingConv::ID CallingConvention = MF.getFunction()->getCallingConv();
- bool IsNested = HasNestArgument(&MF);
- if (CallingConvention == CallingConv::X86_FastCall ||
- CallingConvention == CallingConv::Fast) {
- if (IsNested) {
- report_fatal_error("Segmented stacks does not support fastcall with "
- "nested function.");
- return -1;
- } else {
- return Primary ? X86::EAX : X86::ECX;
- }
- } else {
- if (IsNested)
- return Primary ? X86::EDX : X86::EAX;
- else
- return Primary ? X86::ECX : X86::EAX;
- }
+ CallingConv::ID CallingConvention = MF.getFunction()->getCallingConv();
+ bool IsNested = HasNestArgument(&MF);
+
+ if (CallingConvention == CallingConv::X86_FastCall ||
+ CallingConvention == CallingConv::Fast) {
+ if (IsNested)
+ report_fatal_error("Segmented stacks does not support fastcall with "
+ "nested function.");
+ return Primary ? X86::EAX : X86::ECX;
}
+ if (IsNested)
+ return Primary ? X86::EDX : X86::EAX;
+ return Primary ? X86::ECX : X86::EAX;
}
// The stack limit in the TCB is set to this many bytes above the actual stack