diff options
Diffstat (limited to 'llvm/lib/Target/X86/X86InstrCompiler.td')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrCompiler.td | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/llvm/lib/Target/X86/X86InstrCompiler.td b/llvm/lib/Target/X86/X86InstrCompiler.td index 3e16eedfe70..f35fd5c1388 100644 --- a/llvm/lib/Target/X86/X86InstrCompiler.td +++ b/llvm/lib/Target/X86/X86InstrCompiler.td @@ -152,13 +152,25 @@ def EH_RETURN64 : I<0xC3, RawFrm, (outs), (ins GR64:$addr), } -let isTerminator = 1, hasSideEffects = 1, isBarrier = 1, hasCtrlDep = 1, isCodeGenOnly = 1, isReturn = 1 in { -def CATCHRET : I<0, Pseudo, (outs), (ins brtarget32:$dst, brtarget32:$from), - "# CATCHRET", - [(catchret bb:$dst, bb:$from)]>; -def CLEANUPRET : I<0, Pseudo, (outs), (ins), "# CLEANUPRET", [(cleanupret)]>; +let isTerminator = 1, hasSideEffects = 1, isBarrier = 1, hasCtrlDep = 1, + isCodeGenOnly = 1, isReturn = 1 in { + def CLEANUPRET : I<0, Pseudo, (outs), (ins), "# CLEANUPRET", [(cleanupret)]>; + + // CATCHRET needs a custom inserter for SEH nonsense. + let usesCustomInserter = 1 in + def CATCHRET : I<0, Pseudo, (outs), (ins brtarget32:$dst, brtarget32:$from), + "# CATCHRET", + [(catchret bb:$dst, bb:$from)]>; } +// This instruction is responsible for re-establishing stack pointers after an +// exception has been caught and we are rejoining normal control flow in the +// parent function or funclet. It generally sets ESP and EBP, and optionally +// ESI. It is only needed for 32-bit WinEH, as the runtime restores CSRs for us +// elsewhere. +let hasSideEffects = 1, isBarrier = 1, hasCtrlDep = 1, isCodeGenOnly = 1 in +def EH_RESTORE : I<0, Pseudo, (outs), (ins), "# EH_RESTORE", []>; + let hasSideEffects = 1, isBarrier = 1, isCodeGenOnly = 1, usesCustomInserter = 1 in { def EH_SjLj_SetJmp32 : I<0, Pseudo, (outs GR32:$dst), (ins i32mem:$buf), |
