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| author | Tim Northover <tnorthover@apple.com> | 2016-09-01 20:45:41 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2016-09-01 20:45:41 +0000 |
| commit | 8d8812c5d7e546b40e0549fd3d82f74c7f6d4ba5 (patch) | |
| tree | 1dc7afdc4727c92305b1d874892b96e545d684e5 /llvm/lib/CodeGen/GlobalISel/MachineLegalizer.cpp | |
| parent | bc555b7ebe054eb5fde6548b299a622fad66de34 (diff) | |
| download | bcm5719-llvm-8d8812c5d7e546b40e0549fd3d82f74c7f6d4ba5.tar.gz bcm5719-llvm-8d8812c5d7e546b40e0549fd3d82f74c7f6d4ba5.zip | |
GlobalISel: add a G_PHI instruction to give phis a type.
They're another source of generic vregs, which are going to need a type on the
definition when we remove the register width from MachineRegisterInfo.
llvm-svn: 280412
Diffstat (limited to 'llvm/lib/CodeGen/GlobalISel/MachineLegalizer.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/MachineLegalizer.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/MachineLegalizer.cpp b/llvm/lib/CodeGen/GlobalISel/MachineLegalizer.cpp index cc3d4ecd7c6..5a15f65c45e 100644 --- a/llvm/lib/CodeGen/GlobalISel/MachineLegalizer.cpp +++ b/llvm/lib/CodeGen/GlobalISel/MachineLegalizer.cpp @@ -30,8 +30,10 @@ MachineLegalizer::MachineLegalizer() : TablesInitialized(false) { DefaultActions[TargetOpcode::G_ANYEXT] = Legal; DefaultActions[TargetOpcode::G_TRUNC] = Legal; - // G_TYPE is essentially an annotated COPY so it's always legal. + // G_TYPE and G_PHI are essentially an annotated COPY/PHI instructions so + // they're always legal. DefaultActions[TargetOpcode::G_TYPE] = Legal; + DefaultActions[TargetOpcode::G_PHI] = Legal; DefaultActions[TargetOpcode::G_INTRINSIC] = Legal; DefaultActions[TargetOpcode::G_INTRINSIC_W_SIDE_EFFECTS] = Legal; |
