Index: lib/CodeGen/GlobalISel/IRTranslator.cpp =================================================================== --- lib/CodeGen/GlobalISel/IRTranslator.cpp +++ lib/CodeGen/GlobalISel/IRTranslator.cpp @@ -1013,7 +1013,14 @@ EntryBuilder.buildConstant(Reg, 0); else if (auto GV = dyn_cast(&C)) EntryBuilder.buildGlobalValue(Reg, GV); - else if (auto CE = dyn_cast(&C)) { + else if (auto CV = dyn_cast(&C)) { + std::vector Ops; + for (unsigned i = 0; i < CV->getNumElements(); ++i) { + Constant &Elt = *CV->getElementAsConstant(i); + Ops.push_back(getOrCreateVReg(Elt)); + } + EntryBuilder.buildMerge(Reg, Ops); + } else if (auto CE = dyn_cast(&C)) { switch(CE->getOpcode()) { #define HANDLE_INST(NUM, OPCODE, CLASS) \ case Instruction::OPCODE: return translate##OPCODE(*CE, EntryBuilder); Index: test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll =================================================================== --- test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll +++ test/CodeGen/AArch64/GlobalISel/arm64-irtranslator.ll @@ -1251,3 +1251,32 @@ %neg = fsub double -0.000000e+00, %x ret double %neg } + +define <2 x i32> @test_constantdatavector_v2i32() { +; CHECK-LABEL: name: test_constantdatavector_v2i32 +; CHECK: [[C1:%[0-9]+]](s32) = G_CONSTANT i32 1 +; CHECK: [[C2:%[0-9]+]](s32) = G_CONSTANT i32 2 +; CHECK: [[VEC:%[0-9]+]](<2 x s32>) = G_MERGE_VALUES [[C1]](s32), [[C2]](s32) +; CHECK: %d0 = COPY [[VEC]](<2 x s32>) + ret <2 x i32> +} + +define <4 x i32> @test_constantdatavector_v4i32() { +; CHECK-LABEL: name: test_constantdatavector_v4i32 +; CHECK: [[C1:%[0-9]+]](s32) = G_CONSTANT i32 1 +; CHECK: [[C2:%[0-9]+]](s32) = G_CONSTANT i32 2 +; CHECK: [[C3:%[0-9]+]](s32) = G_CONSTANT i32 3 +; CHECK: [[C4:%[0-9]+]](s32) = G_CONSTANT i32 4 +; CHECK: [[VEC:%[0-9]+]](<4 x s32>) = G_MERGE_VALUES [[C1]](s32), [[C2]](s32), [[C3]](s32), [[C4]](s32) +; CHECK: %q0 = COPY [[VEC]](<4 x s32>) + ret <4 x i32> +} + +define <2 x double> @test_constantdatavector_v2f64() { +; CHECK-LABEL: name: test_constantdatavector_v2f64 +; CHECK: [[FC1:%[0-9]+]](s64) = G_FCONSTANT double 1.000000e+00 +; CHECK: [[FC2:%[0-9]+]](s64) = G_FCONSTANT double 2.000000e+00 +; CHECK: [[VEC:%[0-9]+]](<2 x s64>) = G_MERGE_VALUES [[FC1]](s64), [[FC2]](s64) +; CHECK: %q0 = COPY [[VEC]](<2 x s64>) + ret <2 x double> +}