Add a new llvm.x86.int intrinsic, allowing access to the

x86 int and int3 instructions.  Patch by Peter Housel!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@111831 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 3 deletions

diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 73788a1972..60af8ed4c5 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -595,10 +595,14 @@ let neverHasSideEffects = 1 in {
 }
 
 // Trap
-def INTO : I<0xce, RawFrm, (outs), (ins), "into", []>;
-def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3", []>;
+let Uses = [EFLAGS] in {
+  def INTO : I<0xce, RawFrm, (outs), (ins), "into", []>;
+}
+def INT3 : I<0xcc, RawFrm, (outs), (ins), "int3",
+              [(int_x86_int (i8 3))]>;
 // FIXME: need to make sure that "int $3" matches int3
-def INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap", []>;
+def INT : Ii8<0xcd, RawFrm, (outs), (ins i8imm:$trap), "int\t$trap",
+              [(int_x86_int imm:$trap)]>;
 def IRET16 : I<0xcf, RawFrm, (outs), (ins), "iret{w}", []>, OpSize;
 def IRET32 : I<0xcf, RawFrm, (outs), (ins), "iret{l}", []>;