if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
if (CE->getOpcode() == Instruction::IntToPtr &&
- CE->getOperand(0)->getType() == TD.getIntPtrType(CE->getContext())) {
+ CE->getOperand(0)->getType() == TD.getIntPtrType(CE->getType())) {
return ReadDataFromGlobal(CE->getOperand(0), ByteOffset, CurPtr,
BytesLeft, TD);
}
static Constant *FoldReinterpretLoadFromConstPtr(Constant *C,
const DataLayout &TD) {
- Type *LoadTy = cast<PointerType>(C->getType())->getElementType();
+ PointerType *PTy = cast<PointerType>(C->getType());
+ Type *LoadTy = PTy->getElementType();
IntegerType *IntType = dyn_cast<IntegerType>(LoadTy);
// If this isn't an integer load we can't fold it directly.
if (!IntType) {
+ unsigned AS = PTy->getAddressSpace();
+
// If this is a float/double load, we can try folding it as an int32/64 load
// and then bitcast the result. This can be useful for union cases. Note
// that address spaces don't matter here since we're not going to result in
// an actual new load.
Type *MapTy;
if (LoadTy->isHalfTy())
- MapTy = Type::getInt16PtrTy(C->getContext());
+ MapTy = Type::getInt16PtrTy(C->getContext(), AS);
else if (LoadTy->isFloatTy())
- MapTy = Type::getInt32PtrTy(C->getContext());
+ MapTy = Type::getInt32PtrTy(C->getContext(), AS);
else if (LoadTy->isDoubleTy())
- MapTy = Type::getInt64PtrTy(C->getContext());
+ MapTy = Type::getInt64PtrTy(C->getContext(), AS);
else if (LoadTy->isVectorTy()) {
- MapTy = IntegerType::get(C->getContext(),
- TD.getTypeAllocSizeInBits(LoadTy));
- MapTy = PointerType::getUnqual(MapTy);
+ MapTy = PointerType::getIntNPtrTy(C->getContext(),
+ TD.getTypeAllocSizeInBits(LoadTy),
+ AS);
} else
return 0;
return 0;
GlobalValue *GVal;
- APInt Offset(TD.getPointerSizeInBits(), 0);
+ APInt Offset(TD.getPointerTypeSizeInBits(PTy), 0);
if (!IsConstantOffsetFromGlobal(C, GVal, Offset, TD))
return 0;
static Constant *CastGEPIndices(ArrayRef<Constant *> Ops,
Type *ResultTy, const DataLayout *TD,
const TargetLibraryInfo *TLI) {
- if (!TD) return 0;
- Type *IntPtrTy = TD->getIntPtrType(ResultTy->getContext());
+ if (!TD)
+ return 0;
+
+ Type *IntPtrTy = TD->getIntPtrType(ResultTy);
bool Any = false;
SmallVector<Constant*, 32> NewIdxs;
!Ptr->getType()->isPointerTy())
return 0;
- Type *IntPtrTy = TD->getIntPtrType(Ptr->getContext());
+ Type *IntPtrTy = TD->getIntPtrType(Ptr->getType());
Type *ResultElementTy = ResultTy->getPointerElementType();
// If this is a constant expr gep that is effectively computing an
// Also, this helps GlobalOpt do SROA on GlobalVariables.
Type *Ty = Ptr->getType();
assert(Ty->isPointerTy() && "Forming regular GEP of non-pointer type");
- SmallVector<Constant*, 32> NewIdxs;
+ SmallVector<Constant *, 32> NewIdxs;
+
do {
if (SequentialType *ATy = dyn_cast<SequentialType>(Ty)) {
if (ATy->isPointerTy()) {
// Determine which element of the array the offset points into.
APInt ElemSize(BitWidth, TD->getTypeAllocSize(ATy->getElementType()));
- IntegerType *IntPtrTy = TD->getIntPtrType(Ty->getContext());
if (ElemSize == 0)
// The element size is 0. This may be [0 x Ty]*, so just use a zero
// index for this level and proceed to the next level to see if it can
if (TD && CE->getOpcode() == Instruction::IntToPtr) {
Constant *Input = CE->getOperand(0);
unsigned InWidth = Input->getType()->getScalarSizeInBits();
- if (TD->getPointerSizeInBits() < InWidth) {
+ if (TD->getPointerTypeSizeInBits(CE->getType()) < InWidth) {
Constant *Mask =
ConstantInt::get(CE->getContext(), APInt::getLowBitsSet(InWidth,
TD->getPointerSizeInBits()));
// If the input is a ptrtoint, turn the pair into a ptr to ptr bitcast if
// the int size is >= the ptr size. This requires knowing the width of a
// pointer, so it can't be done in ConstantExpr::getCast.
- if (ConstantExpr *CE = dyn_cast<ConstantExpr>(Ops[0]))
- if (TD &&
- TD->getPointerSizeInBits() <= CE->getType()->getScalarSizeInBits() &&
- CE->getOpcode() == Instruction::PtrToInt)
- return FoldBitCast(CE->getOperand(0), DestTy, *TD);
+ if (ConstantExpr *CE = dyn_cast<ConstantExpr>(Ops[0])) {
+ if (TD && CE->getOpcode() == Instruction::PtrToInt) {
+ Constant *SrcPtr = CE->getOperand(0);
+ unsigned SrcPtrSize = TD->getPointerTypeSizeInBits(SrcPtr->getType());
+ unsigned MidIntSize = CE->getType()->getScalarSizeInBits();
+
+ if (MidIntSize >= SrcPtrSize) {
+ unsigned DestPtrSize = TD->getPointerTypeSizeInBits(DestTy);
+ if (SrcPtrSize == DestPtrSize)
+ return FoldBitCast(CE->getOperand(0), DestTy, *TD);
+ }
+ }
+ }
return ConstantExpr::getCast(Opcode, Ops[0], DestTy);
case Instruction::Trunc:
// around to know if bit truncation is happening.
if (ConstantExpr *CE0 = dyn_cast<ConstantExpr>(Ops0)) {
if (TD && Ops1->isNullValue()) {
- Type *IntPtrTy = TD->getIntPtrType(CE0->getContext());
if (CE0->getOpcode() == Instruction::IntToPtr) {
+ Type *IntPtrTy = TD->getIntPtrType(CE0->getType());
// Convert the integer value to the right size to ensure we get the
// proper extension or truncation.
Constant *C = ConstantExpr::getIntegerCast(CE0->getOperand(0),
// Only do this transformation if the int is intptrty in size, otherwise
// there is a truncation or extension that we aren't modeling.
- if (CE0->getOpcode() == Instruction::PtrToInt &&
- CE0->getType() == IntPtrTy) {
- Constant *C = CE0->getOperand(0);
- Constant *Null = Constant::getNullValue(C->getType());
- return ConstantFoldCompareInstOperands(Predicate, C, Null, TD, TLI);
+ if (CE0->getOpcode() == Instruction::PtrToInt) {
+ Type *IntPtrTy = TD->getIntPtrType(CE0->getOperand(0)->getType());
+ if (CE0->getType() == IntPtrTy) {
+ Constant *C = CE0->getOperand(0);
+ Constant *Null = Constant::getNullValue(C->getType());
+ return ConstantFoldCompareInstOperands(Predicate, C, Null, TD, TLI);
+ }
}
}
if (ConstantExpr *CE1 = dyn_cast<ConstantExpr>(Ops1)) {
if (TD && CE0->getOpcode() == CE1->getOpcode()) {
- Type *IntPtrTy = TD->getIntPtrType(CE0->getContext());
-
if (CE0->getOpcode() == Instruction::IntToPtr) {
+ Type *IntPtrTy = TD->getIntPtrType(CE0->getType());
+
// Convert the integer value to the right size to ensure we get the
// proper extension or truncation.
Constant *C0 = ConstantExpr::getIntegerCast(CE0->getOperand(0),
// Only do this transformation if the int is intptrty in size, otherwise
// there is a truncation or extension that we aren't modeling.
- if ((CE0->getOpcode() == Instruction::PtrToInt &&
- CE0->getType() == IntPtrTy &&
- CE0->getOperand(0)->getType() == CE1->getOperand(0)->getType()))
- return ConstantFoldCompareInstOperands(Predicate, CE0->getOperand(0),
- CE1->getOperand(0), TD, TLI);
+ if (CE0->getOpcode() == Instruction::PtrToInt) {
+ Type *IntPtrTy = TD->getIntPtrType(CE0->getOperand(0)->getType());
+ if (CE0->getType() == IntPtrTy &&
+ CE0->getOperand(0)->getType() == CE1->getOperand(0)->getType()) {
+ return ConstantFoldCompareInstOperands(Predicate,
+ CE0->getOperand(0),
+ CE1->getOperand(0),
+ TD,
+ TLI);
+ }
+ }
}
}
--- /dev/null
+; "PLAIN" - No optimizations. This tests the target-independent
+; constant folder.
+; RUN: opt -S -o - %s | FileCheck --check-prefix=PLAIN %s
+
+target datalayout = "e-p:128:128:128-p1:32:32:32-p2:8:8:8-p3:16:16:16-p4:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32"
+
+; The automatic constant folder in opt does not have targetdata access, so
+; it can't fold gep arithmetic, in general. However, the constant folder run
+; from instcombine and global opt can use targetdata.
+; PLAIN: @G8 = global i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -1)
+@G8 = global i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -1)
+; PLAIN: @G1 = global i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i8 1 to i1 addrspace(2)*), i8 -1)
+@G1 = global i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i8 1 to i1 addrspace(2)*), i8 -1)
+; PLAIN: @F8 = global i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -2)
+@F8 = global i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -2)
+; PLAIN: @F1 = global i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i8 1 to i1 addrspace(2)*), i8 -2)
+@F1 = global i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i8 1 to i1 addrspace(2)*), i8 -2)
+; PLAIN: @H8 = global i8 addrspace(1)* getelementptr (i8 addrspace(1)* null, i32 -1)
+@H8 = global i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 0 to i8 addrspace(1)*), i32 -1)
+; PLAIN: @H1 = global i1 addrspace(2)* getelementptr (i1 addrspace(2)* null, i8 -1)
+@H1 = global i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i8 0 to i1 addrspace(2)*), i8 -1)
+
+
+; The target-independent folder should be able to do some clever
+; simplifications on sizeof, alignof, and offsetof expressions. The
+; target-dependent folder should fold these down to constants.
+; PLAIN-X: @a = constant i64 mul (i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64), i64 2310)
+@a = constant i64 mul (i64 3, i64 mul (i64 ptrtoint ({[7 x double], [7 x double]} addrspace(4)* getelementptr ({[7 x double], [7 x double]} addrspace(4)* null, i64 11) to i64), i64 5))
+
+; PLAIN-X: @b = constant i64 ptrtoint (double addrspace(4)* getelementptr ({ i1, double }* null, i64 0, i32 1) to i64)
+@b = constant i64 ptrtoint ([13 x double] addrspace(4)* getelementptr ({i1, [13 x double]} addrspace(4)* null, i64 0, i32 1) to i64)
+
+; PLAIN-X: @c = constant i64 mul nuw (i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64), i64 2)
+@c = constant i64 ptrtoint (double addrspace(4)* getelementptr ({double, double, double, double} addrspace(4)* null, i64 0, i32 2) to i64)
+
+; PLAIN-X: @d = constant i64 mul nuw (i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64), i64 11)
+@d = constant i64 ptrtoint (double addrspace(4)* getelementptr ([13 x double] addrspace(4)* null, i64 0, i32 11) to i64)
+
+; PLAIN-X: @e = constant i64 ptrtoint (double addrspace(4)* getelementptr ({ double, float, double, double }* null, i64 0, i32 2) to i64)
+@e = constant i64 ptrtoint (double addrspace(4)* getelementptr ({double, float, double, double} addrspace(4)* null, i64 0, i32 2) to i64)
+
+; PLAIN-X: @f = constant i64 1
+@f = constant i64 ptrtoint (<{ i16, i128 }> addrspace(4)* getelementptr ({i1, <{ i16, i128 }>} addrspace(4)* null, i64 0, i32 1) to i64)
+
+; PLAIN-X: @g = constant i64 ptrtoint (double addrspace(4)* getelementptr ({ i1, double }* null, i64 0, i32 1) to i64)
+@g = constant i64 ptrtoint ({double, double} addrspace(4)* getelementptr ({i1, {double, double}} addrspace(4)* null, i64 0, i32 1) to i64)
+
+; PLAIN-X: @h = constant i64 ptrtoint (i1 addrspace(2)* getelementptr (i1 addrspace(2)* null, i32 1) to i64)
+@h = constant i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i64 1) to i64)
+
+; PLAIN-X: @i = constant i64 ptrtoint (i1 addrspace(2)* getelementptr ({ i1, i1 addrspace(2)* }* null, i64 0, i32 1) to i64)
+@i = constant i64 ptrtoint (double addrspace(4)* getelementptr ({i1, double} addrspace(4)* null, i64 0, i32 1) to i64)
+
+; The target-dependent folder should cast GEP indices to integer-sized pointers.
+
+; PLAIN: @M = constant i64 addrspace(4)* getelementptr (i64 addrspace(4)* null, i32 1)
+; PLAIN: @N = constant i64 addrspace(4)* getelementptr ({ i64, i64 } addrspace(4)* null, i32 0, i32 1)
+; PLAIN: @O = constant i64 addrspace(4)* getelementptr ([2 x i64] addrspace(4)* null, i32 0, i32 1)
+
+@M = constant i64 addrspace(4)* getelementptr (i64 addrspace(4)* null, i32 1)
+@N = constant i64 addrspace(4)* getelementptr ({ i64, i64 } addrspace(4)* null, i32 0, i32 1)
+@O = constant i64 addrspace(4)* getelementptr ([2 x i64] addrspace(4)* null, i32 0, i32 1)
+
+; Fold GEP of a GEP. Very simple cases are folded.
+
+; PLAIN-X: @Y = global [3 x { i32, i32 }]addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }]addrspace(3)* @ext, i64 2)
+@ext = external addrspace(3) global [3 x { i32, i32 }]
+@Y = global [3 x { i32, i32 }]addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }]addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }]addrspace(3)* @ext, i64 1), i64 1)
+
+; PLAIN-X: @Z = global i32addrspace(3)* getelementptr inbounds (i32addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }]addrspace(3)* @ext, i64 0, i64 1, i32 0), i64 1)
+@Z = global i32addrspace(3)* getelementptr inbounds (i32addrspace(3)* getelementptr inbounds ([3 x { i32, i32 }]addrspace(3)* @ext, i64 0, i64 1, i32 0), i64 1)
+
+
+; Duplicate all of the above as function return values rather than
+; global initializers.
+
+; PLAIN: define i8 addrspace(1)* @goo8() #0 {
+; PLAIN: %t = bitcast i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -1) to i8 addrspace(1)*
+; PLAIN: ret i8 addrspace(1)* %t
+; PLAIN: }
+; PLAIN: define i1 addrspace(2)* @goo1() #0 {
+; PLAIN: %t = bitcast i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i32 1 to i1 addrspace(2)*), i32 -1) to i1 addrspace(2)*
+; PLAIN: ret i1 addrspace(2)* %t
+; PLAIN: }
+; PLAIN: define i8 addrspace(1)* @foo8() #0 {
+; PLAIN: %t = bitcast i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -2) to i8 addrspace(1)*
+; PLAIN: ret i8 addrspace(1)* %t
+; PLAIN: }
+; PLAIN: define i1 addrspace(2)* @foo1() #0 {
+; PLAIN: %t = bitcast i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i32 1 to i1 addrspace(2)*), i32 -2) to i1 addrspace(2)*
+; PLAIN: ret i1 addrspace(2)* %t
+; PLAIN: }
+; PLAIN: define i8 addrspace(1)* @hoo8() #0 {
+; PLAIN: %t = bitcast i8 addrspace(1)* getelementptr (i8 addrspace(1)* null, i32 -1) to i8 addrspace(1)*
+; PLAIN: ret i8 addrspace(1)* %t
+; PLAIN: }
+; PLAIN: define i1 addrspace(2)* @hoo1() #0 {
+; PLAIN: %t = bitcast i1 addrspace(2)* getelementptr (i1 addrspace(2)* null, i32 -1) to i1 addrspace(2)*
+; PLAIN: ret i1 addrspace(2)* %t
+; PLAIN: }
+define i8 addrspace(1)* @goo8() #0 {
+ %t = bitcast i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -1) to i8 addrspace(1)*
+ ret i8 addrspace(1)* %t
+}
+define i1 addrspace(2)* @goo1() #0 {
+ %t = bitcast i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i32 1 to i1 addrspace(2)*), i32 -1) to i1 addrspace(2)*
+ ret i1 addrspace(2)* %t
+}
+define i8 addrspace(1)* @foo8() #0 {
+ %t = bitcast i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 1 to i8 addrspace(1)*), i32 -2) to i8 addrspace(1)*
+ ret i8 addrspace(1)* %t
+}
+define i1 addrspace(2)* @foo1() #0 {
+ %t = bitcast i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i32 1 to i1 addrspace(2)*), i32 -2) to i1 addrspace(2)*
+ ret i1 addrspace(2)* %t
+}
+define i8 addrspace(1)* @hoo8() #0 {
+ %t = bitcast i8 addrspace(1)* getelementptr (i8 addrspace(1)* inttoptr (i32 0 to i8 addrspace(1)*), i32 -1) to i8 addrspace(1)*
+ ret i8 addrspace(1)* %t
+}
+define i1 addrspace(2)* @hoo1() #0 {
+ %t = bitcast i1 addrspace(2)* getelementptr (i1 addrspace(2)* inttoptr (i32 0 to i1 addrspace(2)*), i32 -1) to i1 addrspace(2)*
+ ret i1 addrspace(2)* %t
+}
+
+; PLAIN-X: define i64 @fa() #0 {
+; PLAIN-X: %t = bitcast i64 mul (i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64), i64 2310) to i64
+; PLAIN-X: ret i64 %t
+; PLAIN-X: }
+; PLAIN-X: define i64 @fb() #0 {
+; PLAIN-X: %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({ i1, double }* null, i64 0, i32 1) to i64) to i64
+; PLAIN-X: ret i64 %t
+; PLAIN-X: }
+; PLAIN-X: define i64 @fc() #0 {
+; PLAIN-X: %t = bitcast i64 mul nuw (i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64), i64 2) to i64
+; PLAIN-X: ret i64 %t
+; PLAIN-X: }
+; PLAIN-X: define i64 @fd() #0 {
+; PLAIN-X: %t = bitcast i64 mul nuw (i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64), i64 11) to i64
+; PLAIN-X: ret i64 %t
+; PLAIN-X: }
+; PLAIN-X: define i64 @fe() #0 {
+; PLAIN-X: %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({ double, float, double, double }* null, i64 0, i32 2) to i64) to i64
+; PLAIN-X: ret i64 %t
+; PLAIN-X: }
+; PLAIN-X: define i64 @ff() #0 {
+; PLAIN-X: %t = bitcast i64 1 to i64
+; PLAIN-X: ret i64 %t
+; PLAIN-X: }
+; PLAIN-X: define i64 @fg() #0 {
+; PLAIN-X: %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({ i1, double }* null, i64 0, i32 1) to i64) to i64
+; PLAIN-X: ret i64 %t
+; PLAIN-X: }
+; PLAIN-X: define i64 @fh() #0 {
+; PLAIN-X: %t = bitcast i64 ptrtoint (i1 addrspace(2)* getelementptr (i1 addrspace(2)* null, i32 1) to i64) to i64
+; PLAIN-X: ret i64 %t
+; PLAIN-X: }
+; PLAIN-X: define i64 @fi() #0 {
+; PLAIN-X: %t = bitcast i64 ptrtoint (i1 addrspace(2)* getelementptr ({ i1, i1 addrspace(2)* }* null, i64 0, i32 1) to i64) to i64
+; PLAIN-X: ret i64 %t
+; PLAIN-X: }
+define i64 @fa() #0 {
+ %t = bitcast i64 mul (i64 3, i64 mul (i64 ptrtoint ({[7 x double], [7 x double]}* getelementptr ({[7 x double], [7 x double]}* null, i64 11) to i64), i64 5)) to i64
+ ret i64 %t
+}
+define i64 @fb() #0 {
+ %t = bitcast i64 ptrtoint ([13 x double] addrspace(4)* getelementptr ({i1, [13 x double]} addrspace(4)* null, i64 0, i32 1) to i64) to i64
+ ret i64 %t
+}
+define i64 @fc() #0 {
+ %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({double, double, double, double} addrspace(4)* null, i64 0, i32 2) to i64) to i64
+ ret i64 %t
+}
+define i64 @fd() #0 {
+ %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ([13 x double] addrspace(4)* null, i64 0, i32 11) to i64) to i64
+ ret i64 %t
+}
+define i64 @fe() #0 {
+ %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({double, float, double, double} addrspace(4)* null, i64 0, i32 2) to i64) to i64
+ ret i64 %t
+}
+define i64 @ff() #0 {
+ %t = bitcast i64 ptrtoint (<{ i16, i128 }> addrspace(4)* getelementptr ({i1, <{ i16, i128 }>} addrspace(4)* null, i64 0, i32 1) to i64) to i64
+ ret i64 %t
+}
+define i64 @fg() #0 {
+ %t = bitcast i64 ptrtoint ({double, double} addrspace(4)* getelementptr ({i1, {double, double}} addrspace(4)* null, i64 0, i32 1) to i64) to i64
+ ret i64 %t
+}
+define i64 @fh() #0 {
+ %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr (double addrspace(4)* null, i32 1) to i64) to i64
+ ret i64 %t
+}
+define i64 @fi() #0 {
+ %t = bitcast i64 ptrtoint (double addrspace(4)* getelementptr ({i1, double}addrspace(4)* null, i64 0, i32 1) to i64) to i64
+ ret i64 %t
+}
+
+; PLAIN: define i64* @fM() #0 {
+; PLAIN: %t = bitcast i64* getelementptr (i64* null, i32 1) to i64*
+; PLAIN: ret i64* %t
+; PLAIN: }
+; PLAIN: define i64* @fN() #0 {
+; PLAIN: %t = bitcast i64* getelementptr ({ i64, i64 }* null, i32 0, i32 1) to i64*
+; PLAIN: ret i64* %t
+; PLAIN: }
+; PLAIN: define i64* @fO() #0 {
+; PLAIN: %t = bitcast i64* getelementptr ([2 x i64]* null, i32 0, i32 1) to i64*
+; PLAIN: ret i64* %t
+; PLAIN: }
+
+define i64* @fM() #0 {
+ %t = bitcast i64* getelementptr (i64* null, i32 1) to i64*
+ ret i64* %t
+}
+define i64* @fN() #0 {
+ %t = bitcast i64* getelementptr ({ i64, i64 }* null, i32 0, i32 1) to i64*
+ ret i64* %t
+}
+define i64* @fO() #0 {
+ %t = bitcast i64* getelementptr ([2 x i64]* null, i32 0, i32 1) to i64*
+ ret i64* %t
+}
+
+; PLAIN: define i32 addrspace(1)* @fZ() #0 {
+; PLAIN: %t = bitcast i32 addrspace(1)* getelementptr inbounds (i32 addrspace(1)* getelementptr inbounds ([3 x { i32, i32 }] addrspace(1)* @ext2, i64 0, i64 1, i32 0), i64 1) to i32 addrspace(1)*
+; PLAIN: ret i32 addrspace(1)* %t
+; PLAIN: }
+@ext2 = external addrspace(1) global [3 x { i32, i32 }]
+define i32 addrspace(1)* @fZ() #0 {
+ %t = bitcast i32 addrspace(1)* getelementptr inbounds (i32 addrspace(1)* getelementptr inbounds ([3 x { i32, i32 }] addrspace(1)* @ext2, i64 0, i64 1, i32 0), i64 1) to i32 addrspace(1)*
+ ret i32 addrspace(1)* %t
+}
+
+attributes #0 = { nounwind }
-; RUN: opt < %s -default-data-layout="e-p: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-a0:0:64-s0:64:64" -instcombine -S | FileCheck %s --check-prefix=LE
-; RUN: opt < %s -default-data-layout="E-p: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-a0:0:64-s0:64:64" -instcombine -S | FileCheck %s --check-prefix=BE
+; RUN: opt < %s -default-data-layout="e-p:64:64:64-p1:16:16:16-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-a0:0:64-s0:64:64" -instcombine -S | FileCheck %s --check-prefix=LE
+; RUN: opt < %s -default-data-layout="E-p:64:64:64-p1:16:16:16-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-a0:0:64-s0:64:64" -instcombine -S | FileCheck %s --check-prefix=BE
; {{ 0xDEADBEEF, 0xBA }, 0xCAFEBABE}
@g1 = constant {{i32,i8},i32} {{i32,i8} { i32 -559038737, i8 186 }, i32 -889275714 }
@test12g = private constant [6 x i8] c"a\00b\00\00\00"
define i16 @test12() {
- %a = load i16* getelementptr inbounds ([3 x i16]* bitcast ([6 x i8]* @test12g to [3 x i16]*), i32 0, i64 1)
+ %a = load i16* getelementptr inbounds ([3 x i16]* bitcast ([6 x i8]* @test12g to [3 x i16]*), i32 0, i64 1)
ret i16 %a
; 0x0062
; BE: ret i64 1
}
+; Check with address space pointers
+@g6_as1 = constant [2 x i8 addrspace(1)*] [i8 addrspace(1)* inttoptr (i16 1 to i8 addrspace(1)*), i8 addrspace(1)* inttoptr (i16 2 to i8 addrspace(1)*)]
+define i16 @test14_as1() nounwind {
+entry:
+ %tmp = load i16* bitcast ([2 x i8 addrspace(1)*]* @g6_as1 to i16*)
+ ret i16 %tmp
+
+; LE: @test14_as1
+; LE: ret i16 1
+
+; BE: @test14_as1
+; BE: ret i16 1
+}
+
define i64 @test15() nounwind {
entry:
%tmp = load i64* bitcast (i8** getelementptr inbounds ([2 x i8*]* @g6, i32 0, i64 1) to i64*)
--- /dev/null
+; RUN: opt -S -instcombine %s -o - | FileCheck %s
+target datalayout = "e-p:32:32:32-p1:64:64:64-p2:8:8:8-p3:16:16:16-p4:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:32"
+
+@g = addrspace(3) global i32 89
+
+@const_zero_i8_as1 = addrspace(1) constant i8 0
+@const_zero_i32_as1 = addrspace(1) constant i32 0
+
+@const_zero_i8_as2 = addrspace(2) constant i8 0
+@const_zero_i32_as2 = addrspace(2) constant i32 0
+
+@const_zero_i8_as3 = addrspace(3) constant i8 0
+@const_zero_i32_as3 = addrspace(3) constant i32 0
+
+; Test constant folding of inttoptr (ptrtoint constantexpr)
+; The intermediate integer size is the same as the pointer size
+define i32 addrspace(3)* @test_constant_fold_inttoptr_as_pointer_same_size() {
+; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_same_size(
+; CHECK-NEXT: ret i32 addrspace(3)* @const_zero_i32_as3
+ %x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i32
+ %y = inttoptr i32 %x to i32 addrspace(3)*
+ ret i32 addrspace(3)* %y
+}
+
+; The intermediate integer size is larger than the pointer size
+define i32 addrspace(2)* @test_constant_fold_inttoptr_as_pointer_smaller() {
+; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_smaller(
+; CHECK-NEXT: ret i32 addrspace(2)* @const_zero_i32_as2
+ %x = ptrtoint i32 addrspace(2)* @const_zero_i32_as2 to i16
+ %y = inttoptr i16 %x to i32 addrspace(2)*
+ ret i32 addrspace(2)* %y
+}
+
+; Different address spaces that are the same size, but they are
+; different so there should be a bitcast.
+define i32 addrspace(4)* @test_constant_fold_inttoptr_as_pointer_smaller_different_as() {
+; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_smaller_different_as(
+; CHECK-NEXT: ret i32 addrspace(4)* bitcast (i32 addrspace(3)* @const_zero_i32_as3 to i32 addrspace(4)*)
+ %x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i16
+ %y = inttoptr i16 %x to i32 addrspace(4)*
+ ret i32 addrspace(4)* %y
+}
+
+; Make sure we don't introduce a bitcast between different sized
+; address spaces when folding this
+define i32 addrspace(2)* @test_constant_fold_inttoptr_as_pointer_smaller_different_size_as() {
+; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_smaller_different_size_as(
+; CHECK-NEXT: ret i32 addrspace(2)* inttoptr (i32 ptrtoint (i32 addrspace(3)* @const_zero_i32_as3 to i32) to i32 addrspace(2)*)
+ %x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i32
+ %y = inttoptr i32 %x to i32 addrspace(2)*
+ ret i32 addrspace(2)* %y
+}
+
+; The intermediate integer size is too small, nothing should happen
+define i32 addrspace(3)* @test_constant_fold_inttoptr_as_pointer_larger() {
+; CHECK-LABEL: @test_constant_fold_inttoptr_as_pointer_larger(
+; CHECK-NEXT: ret i32 addrspace(3)* inttoptr (i8 ptrtoint (i32 addrspace(3)* @const_zero_i32_as3 to i8) to i32 addrspace(3)*)
+ %x = ptrtoint i32 addrspace(3)* @const_zero_i32_as3 to i8
+ %y = inttoptr i8 %x to i32 addrspace(3)*
+ ret i32 addrspace(3)* %y
+}
+
+define i8 @const_fold_ptrtoint() {
+; CHECK-LABEL: @const_fold_ptrtoint(
+; CHECK-NEXT: ret i8 4
+ ret i8 ptrtoint (i32 addrspace(2)* inttoptr (i4 4 to i32 addrspace(2)*) to i8)
+}
+
+; Test that mask happens when the destination pointer is smaller than
+; the original
+define i8 @const_fold_ptrtoint_mask() {
+; CHECK-LABEL: @const_fold_ptrtoint_mask(
+; CHECK-NEXT: ret i8 1
+ ret i8 ptrtoint (i32 addrspace(3)* inttoptr (i32 257 to i32 addrspace(3)*) to i8)
+}
+
+define i32 addrspace(3)* @const_inttoptr() {
+; CHECK-LABEL: @const_inttoptr(
+; CHECK-NEXT: ret i32 addrspace(3)* inttoptr (i16 4 to i32 addrspace(3)*)
+ %p = inttoptr i16 4 to i32 addrspace(3)*
+ ret i32 addrspace(3)* %p
+}
+
+define i16 @const_ptrtoint() {
+; CHECK-LABEL: @const_ptrtoint(
+; CHECK-NEXT: ret i16 ptrtoint (i32 addrspace(3)* @g to i16)
+ %i = ptrtoint i32 addrspace(3)* @g to i16
+ ret i16 %i
+}
+
+define i16 @const_inttoptr_ptrtoint() {
+; CHECK-LABEL: @const_inttoptr_ptrtoint(
+; CHECK-NEXT: ret i16 9
+ ret i16 ptrtoint (i32 addrspace(3)* inttoptr (i16 9 to i32 addrspace(3)*) to i16)
+}
+
+define i1 @constant_fold_cmp_constantexpr_inttoptr() {
+; CHECK-LABEL: @constant_fold_cmp_constantexpr_inttoptr(
+; CHECK-NEXT: ret i1 true
+ %x = icmp eq i32 addrspace(3)* inttoptr (i16 0 to i32 addrspace(3)*), null
+ ret i1 %x
+}
+
+define i1 @constant_fold_inttoptr_null(i16 %i) {
+; CHECK-LABEL: @constant_fold_inttoptr_null(
+; CHECK-NEXT: ret i1 false
+ %x = icmp eq i32 addrspace(3)* inttoptr (i16 99 to i32 addrspace(3)*), inttoptr (i16 0 to i32 addrspace(3)*)
+ ret i1 %x
+}
+
+define i1 @constant_fold_ptrtoint_null() {
+; CHECK-LABEL: @constant_fold_ptrtoint_null(
+; CHECK-NEXT: ret i1 false
+ %x = icmp eq i16 ptrtoint (i32 addrspace(3)* @g to i16), ptrtoint (i32 addrspace(3)* null to i16)
+ ret i1 %x
+}
+
+define i1 @constant_fold_ptrtoint_null_2() {
+; CHECK-LABEL: @constant_fold_ptrtoint_null_2(
+; CHECK-NEXT: ret i1 false
+ %x = icmp eq i16 ptrtoint (i32 addrspace(3)* null to i16), ptrtoint (i32 addrspace(3)* @g to i16)
+ ret i1 %x
+}
+
+define i1 @constant_fold_ptrtoint() {
+; CHECK-LABEL: @constant_fold_ptrtoint(
+; CHECK-NEXT: ret i1 true
+ %x = icmp eq i16 ptrtoint (i32 addrspace(3)* @g to i16), ptrtoint (i32 addrspace(3)* @g to i16)
+ ret i1 %x
+}
+
+define i1 @constant_fold_inttoptr() {
+; CHECK-LABEL: @constant_fold_inttoptr(
+; CHECK-NEXT: ret i1 false
+ %x = icmp eq i32 addrspace(3)* inttoptr (i16 99 to i32 addrspace(3)*), inttoptr (i16 27 to i32 addrspace(3)*)
+ ret i1 %x
+}
+
+@g_float_as3 = addrspace(3) global float zeroinitializer
+@g_v4f_as3 = addrspace(3) global <4 x float> zeroinitializer
+
+define float @constant_fold_bitcast_ftoi_load() {
+; CHECK-LABEL: @constant_fold_bitcast_ftoi_load(
+; CHECK: load float addrspace(3)* bitcast (i32 addrspace(3)* @g to float addrspace(3)*), align 4
+ %a = load float addrspace(3)* bitcast (i32 addrspace(3)* @g to float addrspace(3)*), align 4
+ ret float %a
+}
+
+define i32 @constant_fold_bitcast_itof_load() {
+; CHECK-LABEL: @constant_fold_bitcast_itof_load(
+; CHECK: load i32 addrspace(3)* bitcast (float addrspace(3)* @g_float_as3 to i32 addrspace(3)*), align 4
+ %a = load i32 addrspace(3)* bitcast (float addrspace(3)* @g_float_as3 to i32 addrspace(3)*), align 4
+ ret i32 %a
+}
+
+define <4 x i32> @constant_fold_bitcast_vector_as() {
+; CHECK-LABEL: @constant_fold_bitcast_vector_as(
+; CHECK: load <4 x float> addrspace(3)* @g_v4f_as3, align 16
+; CHECK: bitcast <4 x float> %1 to <4 x i32>
+ %a = load <4 x i32> addrspace(3)* bitcast (<4 x float> addrspace(3)* @g_v4f_as3 to <4 x i32> addrspace(3)*), align 4
+ ret <4 x i32> %a
+}
+
+@i32_array_as3 = addrspace(3) global [10 x i32] zeroinitializer
+
+define i32 @test_cast_gep_small_indices_as() {
+; CHECK-LABEL: @test_cast_gep_small_indices_as(
+; CHECK: load i32 addrspace(3)* getelementptr inbounds ([10 x i32] addrspace(3)* @i32_array_as3, i16 0, i16 0), align 16
+ %p = getelementptr [10 x i32] addrspace(3)* @i32_array_as3, i7 0, i7 0
+ %x = load i32 addrspace(3)* %p, align 4
+ ret i32 %x
+}
+
+%struct.foo = type { float, float, [4 x i32], i32 addrspace(3)* }
+
+@constant_fold_global_ptr = addrspace(3) global %struct.foo {
+ float 0.0,
+ float 0.0,
+ [4 x i32] zeroinitializer,
+ i32 addrspace(3)* getelementptr ([10 x i32] addrspace(3)* @i32_array_as3, i64 0, i64 0)
+}
+
+define i32 @test_cast_gep_large_indices_as() {
+; CHECK-LABEL: @test_cast_gep_large_indices_as(
+; CHECK: load i32 addrspace(3)* getelementptr inbounds ([10 x i32] addrspace(3)* @i32_array_as3, i16 0, i16 0), align 16
+ %p = getelementptr [10 x i32] addrspace(3)* @i32_array_as3, i64 0, i64 0
+ %x = load i32 addrspace(3)* %p, align 4
+ ret i32 %x
+}
+
+define i32 @test_constant_cast_gep_struct_indices_as() {
+; CHECK-LABEL: @test_constant_cast_gep_struct_indices_as(
+; CHECK: load i32 addrspace(3)* getelementptr inbounds (%struct.foo addrspace(3)* @constant_fold_global_ptr, i16 0, i32 2, i16 2), align 8
+ %x = getelementptr %struct.foo addrspace(3)* @constant_fold_global_ptr, i18 0, i32 2, i12 2
+ %y = load i32 addrspace(3)* %x, align 4
+ ret i32 %y
+}
+
+@constant_data_as3 = addrspace(3) constant [5 x i32] [i32 1, i32 2, i32 3, i32 4, i32 5]
+
+define i32 @test_read_data_from_global_as3() {
+; CHECK-LABEL: @test_read_data_from_global_as3(
+; CHECK-NEXT: ret i32 2
+ %x = getelementptr [5 x i32] addrspace(3)* @constant_data_as3, i32 0, i32 1
+ %y = load i32 addrspace(3)* %x, align 4
+ ret i32 %y
+}
+
+@a = addrspace(1) constant i32 9
+@b = addrspace(1) constant i32 23
+@c = addrspace(1) constant i32 34
+@d = addrspace(1) constant i32 99
+
+@ptr_array = addrspace(2) constant [4 x i32 addrspace(1)*] [ i32 addrspace(1)* @a, i32 addrspace(1)* @b, i32 addrspace(1)* @c, i32 addrspace(1)* @d]
+@indirect = addrspace(0) constant i32 addrspace(1)* addrspace(2)* getelementptr inbounds ([4 x i32 addrspace(1)*] addrspace(2)* @ptr_array, i1 0, i32 2)
+
+define i32 @constant_through_array_as_ptrs() {
+; CHECK-LABEL: @constant_through_array_as_ptrs(
+; CHECK-NEXT: ret i32 34
+ %p = load i32 addrspace(1)* addrspace(2)* addrspace(0)* @indirect, align 4
+ %a = load i32 addrspace(1)* addrspace(2)* %p, align 4
+ %b = load i32 addrspace(1)* %a, align 4
+ ret i32 %b
+}
; RUN: opt < %s -instcombine -S | FileCheck %s
-target datalayout = "e-p:64:64"
+target datalayout = "e-p:64:64-p1:16:16-p2:32:32:32"
+
%intstruct = type { i32 }
%pair = type { i32, i32 }
%struct.B = type { double }
@Global = constant [10 x i8] c"helloworld"
+@Global_as1 = addrspace(1) constant [10 x i8] c"helloworld"
; Test noop elimination
define i32* @test1(i32* %I) {
; CHECK: ret i32* %I
}
+define i32 addrspace(1)* @test1_as1(i32 addrspace(1)* %I) {
+ %A = getelementptr i32 addrspace(1)* %I, i64 0
+ ret i32 addrspace(1)* %A
+; CHECK-LABEL: @test1_as1(
+; CHECK: ret i32 addrspace(1)* %I
+}
+
; Test noop elimination
define i32* @test2(i32* %I) {
%A = getelementptr i32* %I
; CHECK: store i8 %B, i8* getelementptr inbounds ([10 x i8]* @Global, i64 0, i64 4)
}
+define void @test5_as1(i8 %B) {
+ ; This should be turned into a constexpr instead of being an instruction
+ %A = getelementptr [10 x i8] addrspace(1)* @Global_as1, i16 0, i16 4
+ store i8 %B, i8 addrspace(1)* %A
+ ret void
+; CHECK-LABEL: @test5_as1(
+; CHECK: store i8 %B, i8 addrspace(1)* getelementptr inbounds ([10 x i8] addrspace(1)* @Global_as1, i16 0, i16 4)
+}
+
+%as1_ptr_struct = type { i32 addrspace(1)* }
+%as2_ptr_struct = type { i32 addrspace(2)* }
+
+@global_as2 = addrspace(2) global i32 zeroinitializer
+@global_as1_as2_ptr = addrspace(1) global %as2_ptr_struct { i32 addrspace(2)* @global_as2 }
+
+; This should be turned into a constexpr instead of being an instruction
+define void @test_evaluate_gep_nested_as_ptrs(i32 addrspace(2)* %B) {
+; CHECK-LABEL: @test_evaluate_gep_nested_as_ptrs(
+; CHECK-NEXT: store i32 addrspace(2)* %B, i32 addrspace(2)* addrspace(1)* getelementptr inbounds (%as2_ptr_struct addrspace(1)* @global_as1_as2_ptr, i16 0, i32 0), align 8
+; CHECK-NEXT: ret void
+ %A = getelementptr %as2_ptr_struct addrspace(1)* @global_as1_as2_ptr, i16 0, i32 0
+ store i32 addrspace(2)* %B, i32 addrspace(2)* addrspace(1)* %A
+ ret void
+}
+
+@arst = addrspace(1) global [4 x i8 addrspace(2)*] zeroinitializer
+
+define void @test_evaluate_gep_as_ptrs_array(i8 addrspace(2)* %B) {
+; CHECK-LABEL: @test_evaluate_gep_as_ptrs_array(
+; CHECK-NEXT: store i8 addrspace(2)* %B, i8 addrspace(2)* addrspace(1)* getelementptr inbounds ([4 x i8 addrspace(2)*] addrspace(1)* @arst, i16 0, i16 2), align 4
+
+; CHECK-NEXT: ret void
+ %A = getelementptr [4 x i8 addrspace(2)*] addrspace(1)* @arst, i16 0, i16 2
+ store i8 addrspace(2)* %B, i8 addrspace(2)* addrspace(1)* %A
+ ret void
+}
define i32* @test7(i32* %I, i64 %C, i64 %D) {
%A = getelementptr i32* %I, i64 %C
; CHECK: icmp eq i32 %A, 0
}
+define i32 @test20_as1(i32 addrspace(1)* %P, i32 %A, i32 %B) {
+ %tmp.4 = getelementptr inbounds i32 addrspace(1)* %P, i32 %A
+ %tmp.6 = icmp eq i32 addrspace(1)* %tmp.4, %P
+ %tmp.7 = zext i1 %tmp.6 to i32
+ ret i32 %tmp.7
+; CHECK-LABEL: @test20_as1(
+; CHECK: icmp eq i16 %1, 0
+}
+
define i32 @test21() {
%pbob1 = alloca %intstruct
projects / oota-llvm.git / commitdiff