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| author | Dan Gohman <gohman@apple.com> | 2012-05-11 00:19:32 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2012-05-11 00:19:32 +0000 |
| commit | d4347e1af9141ec9f8e3e527367bfd16c0cc4ffb (patch) | |
| tree | 15339f77ace4f0f4501e61e22ce6d01f82bce24a /lib/Target/X86/X86InstrSystem.td | |
| parent | 61aef8bdf7a60bb1ab510fee0c5b2792468aadd3 (diff) | |
| download | external_llvm-d4347e1af9141ec9f8e3e527367bfd16c0cc4ffb.zip external_llvm-d4347e1af9141ec9f8e3e527367bfd16c0cc4ffb.tar.gz external_llvm-d4347e1af9141ec9f8e3e527367bfd16c0cc4ffb.tar.bz2 | |
Define a new intrinsic, @llvm.debugger. It will be similar to __builtin_trap(),
but it generates int3 on x86 instead of ud2.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156593 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrSystem.td')
| -rw-r--r-- | lib/Target/X86/X86InstrSystem.td | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrSystem.td b/lib/Target/X86/X86InstrSystem.td index f1ca114..dd1b499 100644 --- a/lib/Target/X86/X86InstrSystem.td +++ b/lib/Target/X86/X86InstrSystem.td @@ -36,6 +36,9 @@ let Uses = [EFLAGS] in def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3", [(int_x86_int (i8 3))], IIC_INT3>; +def : Pat<(debugger), + (INT3)>; + // The long form of "int $3" turns into int3 as a size optimization. // FIXME: This doesn't work because InstAlias can't match immediate constants. //def : InstAlias<"int\t$3", (INT3)>; |