From d204d08b9778ae8dcf84179e31dab0b699772e6f Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Thu, 26 Jul 2007 17:45:41 +0000 Subject: Make sure epilogue esp adjustment is placed before any terminator and pop instructions. llvm-svn: 40538 --- llvm/lib/Target/X86/X86RegisterInfo.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'llvm/lib') diff --git a/llvm/lib/Target/X86/X86RegisterInfo.cpp b/llvm/lib/Target/X86/X86RegisterInfo.cpp index 29bdf94a68d..bd4179f3486 100644 --- a/llvm/lib/Target/X86/X86RegisterInfo.cpp +++ b/llvm/lib/Target/X86/X86RegisterInfo.cpp @@ -1372,8 +1372,9 @@ void X86RegisterInfo::emitEpilogue(MachineFunction &MF, // Skip the callee-saved pop instructions. while (MBBI != MBB.begin()) { - MachineBasicBlock::iterator PI = prior(MBBI); - if (PI->getOpcode() != X86::POP32r && PI->getOpcode() != X86::POP64r) + MachineBasicBlock::iterator PI = prior(MBBI); + unsigned Opc = PI->getOpcode(); + if (Opc != X86::POP32r && Opc != X86::POP64r && !TII.isTerminatorInstr(Opc)) break; --MBBI; } -- cgit v1.2.3