[MIPS GlobalISel] Select G_IMPLICIT_DEF
G_IMPLICIT_DEF is used for both integer and floating point implicit-def.
Handle G_IMPLICIT_DEF as ambiguous opcode in MipsRegisterBankInfo.
Select G_IMPLICIT_DEF for MIPS32.
Differential Revision: https://reviews.llvm.org/D67439
llvm-svn: 371727
diff --git a/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp b/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp
index 80a24a3..2ae312d 100644
--- a/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp
+++ b/llvm/lib/Target/Mips/MipsLegalizerInfo.cpp
@@ -43,6 +43,9 @@
{p0, p0, 32, 8}})
.minScalar(0, s32);
+ getActionDefinitionsBuilder(G_IMPLICIT_DEF)
+ .legalFor({s32, s64});
+
getActionDefinitionsBuilder(G_UNMERGE_VALUES)
.legalFor({{s32, s64}});