[X86] Remove VCVTSI2SDZrrb_Int as it shouldn't exist.

This would convert a signed 32-bit integer to double precision with rounding. But there's nothing to round.

llvm-svn: 355795

diff --git a/llvm/lib/Target/X86/X86InstrAVX512.td b/llvm/lib/Target/X86/X86InstrAVX512.td
index 995c9db..ad4fd23 100644 (file)
--- a/llvm/lib/Target/X86/X86InstrAVX512.td
+++ b/llvm/lib/Target/X86/X86InstrAVX512.td
@@ -7464,7 +7464,7 @@ defm VCVTSI2SSZ  : avx512_vcvtsi_common<0x2A, X86SintToFpRnd, WriteCvtI2SS, GR32
 defm VCVTSI642SSZ: avx512_vcvtsi_common<0x2A, X86SintToFpRnd, WriteCvtI2SS, GR64,
                                  v4f32x_info, i64mem, loadi64, "cvtsi2ss{q}">,
                                  XS, VEX_W, EVEX_CD8<64, CD8VT1>;
-defm VCVTSI2SDZ  : avx512_vcvtsi_common<0x2A, X86SintToFpRnd, WriteCvtI2SD, GR32,
+defm VCVTSI2SDZ  : avx512_vcvtsi<0x2A, X86SintToFpRnd, WriteCvtI2SD, GR32,
                                  v2f64x_info, i32mem, loadi32, "cvtsi2sd{l}">,
                                  XD, EVEX_CD8<32, CD8VT1>;
 defm VCVTSI642SDZ: avx512_vcvtsi_common<0x2A, X86SintToFpRnd, WriteCvtI2SD, GR64,

diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
index 435e487..21db322 100644 (file)
--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
+++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
@@ -4380,7 +4380,6 @@ static bool hasUndefRegUpdate(unsigned Opcode, bool ForLoadFold = false) {
   case X86::VCVTSI2SDZrr:
   case X86::VCVTSI2SDZrm:
   case X86::VCVTSI2SDZrr_Int:
-  case X86::VCVTSI2SDZrrb_Int:
   case X86::VCVTSI2SDZrm_Int:
   case X86::VCVTSI642SDZrr:
   case X86::VCVTSI642SDZrm: