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[X86] Correct a bad isel predicate. Though I don't think it can be exposed.
author
Craig Topper
<craig.topper@intel.com>
Wed, 24 Oct 2018 06:13:36 +0000
(06:13 +0000)
committer
Craig Topper
<craig.topper@intel.com>
Wed, 24 Oct 2018 06:13:36 +0000
(06:13 +0000)
This B/W VPTEST instructions are only available with AVX512BW. But lowering should prevent any byte or word elements from getting to isel so this can't be exposed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@345112
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/X86/X86InstrAVX512.td
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diff --git
a/lib/Target/X86/X86InstrAVX512.td
b/lib/Target/X86/X86InstrAVX512.td
index
b2d0ce2
..
5550eb0
100644
(file)
--- a/
lib/Target/X86/X86InstrAVX512.td
+++ b/
lib/Target/X86/X86InstrAVX512.td
@@
-5901,7
+5901,7
@@
multiclass avx512_vptest_wb<bits<8> opc, string OpcodeStr,
v16i8x_info, NAME#"B">, EVEX_V128;
}
- let Predicates = [Has
AVX512
, NoVLX] in {
+ let Predicates = [Has
BWI
, NoVLX] in {
defm BZ256_Alt : avx512_vptest_lowering<OpNode, v64i8_info, v32i8x_info, NAME#"B">;
defm BZ128_Alt : avx512_vptest_lowering<OpNode, v64i8_info, v16i8x_info, NAME#"B">;
defm WZ256_Alt : avx512_vptest_lowering<OpNode, v32i16_info, v16i16x_info, NAME#"W">;