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Add addrspacecast instruction.

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Patch by Michele Scandale!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194760 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault
2013-11-15 01:34:59 +00:00
parent 2b7fef0ad4
commit 59d3ae6cdc
51 changed files with 589 additions and 230 deletions
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55
unittests/IR/InstructionsTest.cpp
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@ -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"
@ -384,28 +389,20 @@ 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,
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 @@ 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