diff options
Diffstat (limited to 'llvm/unittests/IR/InstructionsTest.cpp')
| -rw-r--r-- | llvm/unittests/IR/InstructionsTest.cpp | 67 |
1 files changed, 24 insertions, 43 deletions
diff --git a/llvm/unittests/IR/InstructionsTest.cpp b/llvm/unittests/IR/InstructionsTest.cpp index 21d4596..fe9e7e8 100644 --- a/llvm/unittests/IR/InstructionsTest.cpp +++ b/llvm/unittests/IR/InstructionsTest.cpp @@ -606,82 +606,63 @@ TEST(InstructionTest, ConstrainedTrans) { TEST(InstructionsTest, isEliminableCastPair) { LLVMContext C; + DataLayout DL1("p1:32:32"); - Type* Int16Ty = Type::getInt16Ty(C); - Type* Int32Ty = Type::getInt32Ty(C); - Type* Int64Ty = Type::getInt64Ty(C); - Type *Int64PtrTy = PointerType::get(C, 0); + Type *Int16Ty = Type::getInt16Ty(C); + Type *Int64Ty = Type::getInt64Ty(C); + Type *PtrTy64 = PointerType::get(C, 0); + Type *PtrTy32 = PointerType::get(C, 1); // Source and destination pointers have same size -> bitcast. EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::PtrToInt, - CastInst::IntToPtr, - Int64PtrTy, Int64Ty, Int64PtrTy, - Int32Ty, nullptr, Int32Ty), - CastInst::BitCast); - - // Source and destination have unknown sizes, but the same address space and - // the intermediate int is the maximum pointer size -> bitcast - EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::PtrToInt, - CastInst::IntToPtr, - Int64PtrTy, Int64Ty, Int64PtrTy, - nullptr, nullptr, nullptr), + CastInst::IntToPtr, PtrTy32, Int64Ty, + PtrTy32, &DL1), CastInst::BitCast); - // Source and destination have unknown sizes, but the same address space and - // the intermediate int is not the maximum pointer size -> nothing + // Source and destination have unknown sizes. EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::PtrToInt, - CastInst::IntToPtr, - Int64PtrTy, Int32Ty, Int64PtrTy, - nullptr, nullptr, nullptr), + CastInst::IntToPtr, PtrTy32, Int64Ty, + PtrTy32, nullptr), 0U); // Middle pointer big enough -> bitcast. EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr, - CastInst::PtrToInt, - Int64Ty, Int64PtrTy, Int64Ty, - nullptr, Int64Ty, nullptr), + CastInst::PtrToInt, Int64Ty, PtrTy64, + Int64Ty, &DL1), CastInst::BitCast); // Middle pointer too small -> fail. EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr, - CastInst::PtrToInt, - Int64Ty, Int64PtrTy, Int64Ty, - nullptr, Int32Ty, nullptr), + CastInst::PtrToInt, Int64Ty, PtrTy32, + Int64Ty, &DL1), 0U); // Test that we don't eliminate bitcasts between different address spaces, // or if we don't have available pointer size information. - DataLayout DL("e-p:32:32:32-p1:16:16:16-p2:64:64:64-i1:8:8-i8:8:8-i16:16:16" - "-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64" - "-v128:128:128-a:0:64-s:64:64-f80:128:128-n8:16:32:64-S128"); + DataLayout DL2("e-p:32:32:32-p1:16:16:16-p2:64:64:64-i1:8:8-i8:8:8-i16:16:16" + "-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64" + "-v128:128:128-a:0:64-s:64:64-f80:128:128-n8:16:32:64-S128"); Type *Int64PtrTyAS1 = PointerType::get(C, 1); Type *Int64PtrTyAS2 = PointerType::get(C, 2); - IntegerType *Int16SizePtr = DL.getIntPtrType(C, 1); - IntegerType *Int64SizePtr = DL.getIntPtrType(C, 2); - // Cannot simplify inttoptr, addrspacecast EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr, - CastInst::AddrSpaceCast, - Int16Ty, Int64PtrTyAS1, Int64PtrTyAS2, - nullptr, Int16SizePtr, Int64SizePtr), + CastInst::AddrSpaceCast, Int16Ty, + Int64PtrTyAS1, Int64PtrTyAS2, &DL2), 0U); // Cannot simplify addrspacecast, ptrtoint EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::AddrSpaceCast, - CastInst::PtrToInt, - Int64PtrTyAS1, Int64PtrTyAS2, Int16Ty, - Int64SizePtr, Int16SizePtr, nullptr), + CastInst::PtrToInt, Int64PtrTyAS1, + Int64PtrTyAS2, Int16Ty, &DL2), 0U); // Pass since the bitcast address spaces are the same - EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr, - CastInst::BitCast, - Int16Ty, Int64PtrTyAS1, Int64PtrTyAS1, - nullptr, nullptr, nullptr), + EXPECT_EQ(CastInst::isEliminableCastPair( + CastInst::IntToPtr, CastInst::BitCast, Int16Ty, Int64PtrTyAS1, + Int64PtrTyAS1, nullptr), CastInst::IntToPtr); - } TEST(InstructionsTest, CloneCall) { |