diff options
| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-12-10 00:03:16 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2017-12-10 00:03:16 +0000 |
| commit | 3508a09455666fb66242c472fd2305c01bb657a6 (patch) | |
| tree | eda16feca929264ff319efcd7a96cb4ba7872466 /llvm/lib | |
| parent | 5cc21e83ce079136359f19e1a916fedce43aef3e (diff) | |
| download | bcm5719-llvm-3508a09455666fb66242c472fd2305c01bb657a6.tar.gz bcm5719-llvm-3508a09455666fb66242c472fd2305c01bb657a6.zip | |
[X86] Tag ALLOCA/VAARG instructions as system scheduler classes
llvm-svn: 320273
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrCompiler.td | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrCompiler.td b/llvm/lib/Target/X86/X86InstrCompiler.td index 806657a24df..8b298d27ce8 100644 --- a/llvm/lib/Target/X86/X86InstrCompiler.td +++ b/llvm/lib/Target/X86/X86InstrCompiler.td @@ -76,6 +76,7 @@ def ADJCALLSTACKUP64 : I<0, Pseudo, (outs), (ins i32imm:$amt1, i32imm:$amt2), def : Pat<(X86callseq_start timm:$amt1, timm:$amt2), (ADJCALLSTACKDOWN64 i32imm:$amt1, i32imm:$amt2, 0)>, Requires<[IsLP64]>; +let SchedRW = [WriteSystem] in { // x86-64 va_start lowering magic. let usesCustomInserter = 1, Defs = [EFLAGS] in { @@ -141,6 +142,7 @@ def WIN_ALLOCA_64 : I<0, Pseudo, (outs), (ins GR64:$size), "# dynamic stack allocation", [(X86WinAlloca GR64:$size)]>, Requires<[In64BitMode]>; +} // SchedRW // These instructions XOR the frame pointer into a GPR. They are used in some // stack protection schemes. These are post-RA pseudos because we only know the |
