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| author | Tim Northover <tnorthover@apple.com> | 2016-08-11 21:40:55 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2016-08-11 21:40:55 +0000 |
| commit | 8e0c53a018feae745c24f7898367088903f8dd3d (patch) | |
| tree | dbb89ba46373382624a9309dfa5e3f1f2b33eb3b /llvm/lib | |
| parent | dbcfea98115be723320f405b6e021a555e709b9b (diff) | |
| download | bcm5719-llvm-8e0c53a018feae745c24f7898367088903f8dd3d.tar.gz bcm5719-llvm-8e0c53a018feae745c24f7898367088903f8dd3d.zip | |
GlobalISel: support 'null' constant in translation.
It's sharing the integer G_CONSTANT for now since I don't *think* it creates
any ambiguity (even on weird archs). If that turns out wrong we can create a
G_PTRCONSTANT or something.
llvm-svn: 278423
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp index 5e07723bbc4..3f396cce36b 100644 --- a/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp +++ b/llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp @@ -296,6 +296,10 @@ bool IRTranslator::translate(const Constant &C, unsigned Reg) { EntryBuilder.buildConstant(LLT{*CI->getType()}, Reg, CI->getZExtValue()); else if (isa<UndefValue>(C)) EntryBuilder.buildInstr(TargetOpcode::IMPLICIT_DEF).addDef(Reg); + else if (isa<ConstantPointerNull>(C)) + EntryBuilder.buildInstr(TargetOpcode::G_CONSTANT, LLT{*C.getType()}) + .addDef(Reg) + .addImm(0); else if (auto CE = dyn_cast<ConstantExpr>(&C)) { switch(CE->getOpcode()) { #define HANDLE_INST(NUM, OPCODE, CLASS) \ |
