diff options
| -rw-r--r-- | llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp | 4 | ||||
| -rw-r--r-- | llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll | 7 |
2 files changed, 11 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) \ diff --git a/llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll b/llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll index 68ac9fa11e2..5987a4e67df 100644 --- a/llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll +++ b/llvm/test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll @@ -458,3 +458,10 @@ define i32 @test_ashr(i32 %arg1, i32 %arg2) { %res = ashr i32 %arg1, %arg2 ret i32 %res } + +; CHECK-LABEL: name: test_constant_null +; CHECK: [[NULL:%[0-9]+]](64) = G_CONSTANT p0 0 +; CHECK: %x0 = COPY [[NULL]] +define i8* @test_constant_null() { + ret i8* null +} |
