commit a26a364e757162faf29b8db435305c4471d49d86
author Alexander Ivchenko <alexander.ivchenko@intel.com> Fri Aug 31 09:38:27 2018 +0000
committer Alexander Ivchenko <alexander.ivchenko@intel.com> Fri Aug 31 09:38:27 2018 +0000
tree 01f1c5cc0fe5f6d689ec47b565bb98f6cccb88f2
parent 43b15cddac7597f86ce9f93f23b8b2f28878f5c6

[GlobalIsel][X86] Support for G_FCMP

Differential Revision: https://reviews.llvm.org/D49172

llvm-svn: 341193

llvm/lib/Target/X86/X86LegalizerInfo.cpp

diff --git a/llvm/lib/Target/X86/X86LegalizerInfo.cpp b/llvm/lib/Target/X86/X86LegalizerInfo.cpp
index d372cad..2ba0070 100644
--- a/llvm/lib/Target/X86/X86LegalizerInfo.cpp
+++ b/llvm/lib/Target/X86/X86LegalizerInfo.cpp
@@ -222,6 +222,12 @@
   // Comparison
   setAction({G_ICMP, 1, s64}, Legal);
 
+  getActionDefinitionsBuilder(G_FCMP)
+      .legalForCartesianProduct({s8}, {s32, s64})
+      .clampScalar(0, s8, s8)
+      .clampScalar(1, s32, s64)
+      .widenScalarToNextPow2(1);
+
   // Shifts and SDIV
   getActionDefinitionsBuilder({G_SHL, G_LSHR, G_ASHR, G_SDIV})
     .legalFor({s8, s16, s32, s64})