Add addrspacecast instruction.
Patch by Michele Scandale!
llvm-svn: 194760
diff --git a/llvm/unittests/IR/InstructionsTest.cpp b/llvm/unittests/IR/InstructionsTest.cpp
index ce6c465..65f85ba 100644
--- a/llvm/unittests/IR/InstructionsTest.cpp
+++ b/llvm/unittests/IR/InstructionsTest.cpp
@@ -149,6 +149,8 @@
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 @@
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 @@
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"
@@ -384,28 +389,20 @@
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,
- 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),
- 0U);
-
- // Fail since the the bitcast is between different sized address spaces
- EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr,
- CastInst::BitCast,
+ CastInst::AddrSpaceCast,
Int16Ty, Int64PtrTyAS1, Int64PtrTyAS2,
0, Int16SizePtr, Int64SizePtr),
0U);
+ // 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
EXPECT_EQ(CastInst::isEliminableCastPair(CastInst::IntToPtr,
CastInst::BitCast,
@@ -413,28 +410,6 @@
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