diff options
Diffstat (limited to 'llvm/lib/Target/M88k/M88kCombine.td')
| -rw-r--r-- | llvm/lib/Target/M88k/M88kCombine.td | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/llvm/lib/Target/M88k/M88kCombine.td b/llvm/lib/Target/M88k/M88kCombine.td index 9453c3a..c2d4456 100644 --- a/llvm/lib/Target/M88k/M88kCombine.td +++ b/llvm/lib/Target/M88k/M88kCombine.td @@ -55,28 +55,6 @@ def M88kPreLegalizerCombinerHelper: GICombinerHelper< } // Combine -// G_ADD $dst, (G_ZEXT (G_ICMP eq, $src, 0)) -// into -// G_UADDE $dst, (G_USUBO 0, %src) -// under certain restrictions. -def subadd_from_icmpadd_matchdata : GIDefMatchData<"std::tuple<Register, Register, Register>">; -def subadd_from_icmpadd1 : GICombineRule< - (defs root:$root, subadd_from_icmpadd_matchdata:$matchinfo), - (match (wip_match_opcode G_ADD):$root, - [{ return matchAddCmpToSubAdd(*${root}, MRI, - ${matchinfo}); }]), - (apply [{ applyAddCmpToSubAdd(*${root}, MRI, ${matchinfo}); }])>; - -def subadd_from_icmpadd2 : GICombineRule< - (defs root:$dst, build_fn_matchinfo:$matchinfo), - (match (G_ICMP $icmp, $cc, $src2, $src3), - (G_ZEXT $zext, $icmp), - (G_ADD $dst, $zext, $src1):$mi, - [{ return matchAddCmpToSubAdd2(*${mi}, ${src1}, ${src2}, ${src3}, ${cc}, MRI, - ${matchinfo}); }]), - (apply [{ Helper.applyBuildFn(*${mi}, ${matchinfo}); }])>; - -// Combine // Dst = G_ADD SrcA, (G_ZEXT (G_ICMP Pred, SrcB, SrcC) // with: // - Pred = unsigned >= |