diff options
| author | Dan Gohman <gohman@apple.com> | 2008-11-12 22:55:05 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-11-12 22:55:05 +0000 |
| commit | 88ba5f0b96970496885e3b818744f295ea88c8c5 (patch) | |
| tree | e26d6786bfebd79902a9dbeba5efbb8de235239d /llvm/lib/Target/X86/X86TargetMachine.cpp | |
| parent | 3060634fba7f073eeed757c4e09365c0ec7fd8b7 (diff) | |
| download | bcm5719-llvm-88ba5f0b96970496885e3b818744f295ea88c8c5.tar.gz bcm5719-llvm-88ba5f0b96970496885e3b818744f295ea88c8c5.zip | |
Move the code that inserts X87 FP_REG_KILL instructions from a
special-purpose hook to a new pass. Also, add check to see if any
x87 virtual registers are used, to avoid doing any work in the
common case that no x87 code is needed.
llvm-svn: 59190
Diffstat (limited to 'llvm/lib/Target/X86/X86TargetMachine.cpp')
| -rw-r--r-- | llvm/lib/Target/X86/X86TargetMachine.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp index 2b67971d480..1e90c0fe8ca 100644 --- a/llvm/lib/Target/X86/X86TargetMachine.cpp +++ b/llvm/lib/Target/X86/X86TargetMachine.cpp @@ -188,6 +188,9 @@ bool X86TargetMachine::addInstSelector(PassManagerBase &PM, bool Fast) { if (EnableFastISel) PM.add(createDeadMachineInstructionElimPass()); + // Install a pass to insert x87 FP_REG_KILL instructions, as needed. + PM.add(createX87FPRegKillInserterPass()); + return false; } |
