diff options
Diffstat (limited to 'unittests/IR/InstructionsTest.cpp')
| -rw-r--r-- | unittests/IR/InstructionsTest.cpp | 53 |
1 files changed, 14 insertions, 39 deletions
diff --git a/unittests/IR/InstructionsTest.cpp b/unittests/IR/InstructionsTest.cpp index ce6c465..65f85ba 100644 --- a/unittests/IR/InstructionsTest.cpp +++ b/unittests/IR/InstructionsTest.cpp @@ -149,6 +149,8 @@ TEST(InstructionsTest, CastInst) { const Constant* c8 = Constant::getNullValue(V8x8Ty); const Constant* c64 = Constant::getNullValue(V8x64Ty); + const Constant *v2ptr32 = Constant::getNullValue(V2Int32PtrTy); + EXPECT_TRUE(CastInst::isCastable(V8x8Ty, X86MMXTy)); EXPECT_TRUE(CastInst::isCastable(X86MMXTy, V8x8Ty)); EXPECT_FALSE(CastInst::isCastable(Int64Ty, X86MMXTy)); @@ -169,6 +171,10 @@ TEST(InstructionsTest, CastInst) { EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrTy, V2Int32PtrAS1Ty)); EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrAS1Ty, V2Int32PtrTy)); EXPECT_TRUE(CastInst::isBitCastable(V2Int32PtrAS1Ty, V2Int64PtrAS1Ty)); + EXPECT_TRUE(CastInst::isCastable(V2Int32PtrAS1Ty, V2Int32PtrTy)); + EXPECT_EQ(CastInst::AddrSpaceCast, CastInst::getCastOpcode(v2ptr32, true, + V2Int32PtrAS1Ty, + true)); // Test mismatched number of elements for pointers EXPECT_FALSE(CastInst::isBitCastable(V2Int32PtrAS1Ty, V4Int64PtrAS1Ty)); @@ -371,7 +377,6 @@ TEST(InstructionsTest, isEliminableCastPair) { 0, Int32Ty, 0), 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" @@ -384,26 +389,18 @@ TEST(InstructionsTest, isEliminableCastPair) { IntegerType *Int16SizePtr = DL.getIntPtrType(C, 1); IntegerType *Int64SizePtr = DL.getIntPtrType(C, 2); - // Fail since the ptr int types are not provided + // Cannot simplify inttoptr, addrspacecast EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr, - CastInst::BitCast, + CastInst::AddrSpaceCast, Int16Ty, Int64PtrTyAS1, Int64PtrTyAS2, - 0, 0, 0), - 0U); - - // Fail since the the bitcast is between different sized address spaces - EXPECT_EQ(CastInst::isEliminableCastPair( - CastInst::IntToPtr, - CastInst::BitCast, - Int16Ty, Int64PtrTyAS1, Int64PtrTyAS2, - 0, Int16SizePtr, Int64SizePtr), + 0, Int16SizePtr, Int64SizePtr), 0U); - // Fail since the the bitcast is between different sized address spaces - EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr, - CastInst::BitCast, - Int16Ty, Int64PtrTyAS1, Int64PtrTyAS2, - 0, Int16SizePtr, Int64SizePtr), + // Cannot simplify addrspacecast, ptrtoint + EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::AddrSpaceCast, + CastInst::PtrToInt, + Int64PtrTyAS1, Int64PtrTyAS2, Int16Ty, + Int64SizePtr, Int16SizePtr, 0), 0U); // Pass since the bitcast address spaces are the same @@ -413,28 +410,6 @@ TEST(InstructionsTest, isEliminableCastPair) { 0, 0, 0), CastInst::IntToPtr); - - // Fail without known pointer sizes and different address spaces - EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::BitCast, - CastInst::PtrToInt, - Int64PtrTyAS1, Int64PtrTyAS2, Int16Ty, - 0, 0, 0), - 0U); - - // Pass since the address spaces are the same, even though the pointer sizes - // are unknown - EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::BitCast, - CastInst::PtrToInt, - Int64PtrTyAS1, Int64PtrTyAS1, Int32Ty, - 0, 0, 0), - Instruction::PtrToInt); - - // Fail since the bitcast is the wrong size - EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::BitCast, - CastInst::PtrToInt, - Int64PtrTyAS1, Int64PtrTyAS2, Int64Ty, - Int16SizePtr, Int64SizePtr, 0), - 0U); } } // end anonymous namespace |