Revert "[llvm][ARM]Add widen global arrays pass" #112701
Merged
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This reverts commit ab90d27.
|
@llvm/pr-subscribers-llvm-analysis @llvm/pr-subscribers-backend-arm Author: Nashe Mncube (nasherm) ChangesReverts llvm/llvm-project#107120 Unexpected build failures in post-commit pipelines. Needs investigation Patch is 34.07 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/112701.diff 18 Files Affected:
diff --git a/llvm/include/llvm/Analysis/TargetTransformInfo.h b/llvm/include/llvm/Analysis/TargetTransformInfo.h
index 0dc513d8e65b76..0459941fe05cdc 100644
--- a/llvm/include/llvm/Analysis/TargetTransformInfo.h
+++ b/llvm/include/llvm/Analysis/TargetTransformInfo.h
@@ -1819,10 +1819,6 @@ class TargetTransformInfo {
/// \return The maximum number of function arguments the target supports.
unsigned getMaxNumArgs() const;
- /// \return For an array of given Size, return alignment boundary to
- /// pad to. Default is no padding.
- unsigned getNumBytesToPadGlobalArray(unsigned Size, Type *ArrayType) const;
-
/// @}
private:
@@ -2229,8 +2225,6 @@ class TargetTransformInfo::Concept {
getVPLegalizationStrategy(const VPIntrinsic &PI) const = 0;
virtual bool hasArmWideBranch(bool Thumb) const = 0;
virtual unsigned getMaxNumArgs() const = 0;
- virtual unsigned getNumBytesToPadGlobalArray(unsigned Size,
- Type *ArrayType) const = 0;
};
template <typename T>
@@ -3032,11 +3026,6 @@ class TargetTransformInfo::Model final : public TargetTransformInfo::Concept {
unsigned getMaxNumArgs() const override {
return Impl.getMaxNumArgs();
}
-
- unsigned getNumBytesToPadGlobalArray(unsigned Size,
- Type *ArrayType) const override {
- return Impl.getNumBytesToPadGlobalArray(Size, ArrayType);
- }
};
template <typename T>
diff --git a/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h b/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
index 0b7792f89a05c4..dbdfb4d8cdfa32 100644
--- a/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
+++ b/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
@@ -1006,10 +1006,6 @@ class TargetTransformInfoImplBase {
unsigned getMaxNumArgs() const { return UINT_MAX; }
- unsigned getNumBytesToPadGlobalArray(unsigned Size, Type *ArrayType) const {
- return 0;
- }
-
protected:
// Obtain the minimum required size to hold the value (without the sign)
// In case of a vector it returns the min required size for one element.
diff --git a/llvm/lib/Analysis/TargetTransformInfo.cpp b/llvm/lib/Analysis/TargetTransformInfo.cpp
index 60704733637614..a47462b61e03b2 100644
--- a/llvm/lib/Analysis/TargetTransformInfo.cpp
+++ b/llvm/lib/Analysis/TargetTransformInfo.cpp
@@ -1383,12 +1383,6 @@ bool TargetTransformInfo::isVectorShiftByScalarCheap(Type *Ty) const {
return TTIImpl->isVectorShiftByScalarCheap(Ty);
}
-unsigned
-TargetTransformInfo::getNumBytesToPadGlobalArray(unsigned Size,
- Type *ArrayType) const {
- return TTIImpl->getNumBytesToPadGlobalArray(Size, ArrayType);
-}
-
TargetTransformInfo::Concept::~Concept() = default;
TargetIRAnalysis::TargetIRAnalysis() : TTICallback(&getDefaultTTI) {}
diff --git a/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp b/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
index 9f6e5e5ab1421c..835ae98efb852d 100644
--- a/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
+++ b/llvm/lib/Target/ARM/ARMTargetTransformInfo.cpp
@@ -56,10 +56,6 @@ static cl::opt<bool>
AllowWLSLoops("allow-arm-wlsloops", cl::Hidden, cl::init(true),
cl::desc("Enable the generation of WLS loops"));
-static cl::opt<bool> UseWidenGlobalArrays(
- "widen-global-strings", cl::Hidden, cl::init(true),
- cl::desc("Enable the widening of global strings to alignment boundaries"));
-
extern cl::opt<TailPredication::Mode> EnableTailPredication;
extern cl::opt<bool> EnableMaskedGatherScatters;
@@ -2809,32 +2805,3 @@ bool ARMTTIImpl::isProfitableToSinkOperands(Instruction *I,
}
return true;
}
-
-unsigned ARMTTIImpl::getNumBytesToPadGlobalArray(unsigned Size,
- Type *ArrayType) const {
- if (!UseWidenGlobalArrays) {
- LLVM_DEBUG(dbgs() << "Padding global arrays disabled\n");
- return false;
- }
-
- // Don't modify none integer array types
- if (!ArrayType || !ArrayType->isArrayTy() ||
- !ArrayType->getArrayElementType()->isIntegerTy())
- return 0;
-
- // We pad to 4 byte boundaries
- if (Size % 4 == 0)
- return 0;
-
- unsigned NumBytesToPad = 4 - (Size % 4);
- unsigned NewSize = Size + NumBytesToPad;
-
- // Max number of bytes that memcpy allows for lowering to load/stores before
- // it uses library function (__aeabi_memcpy).
- unsigned MaxMemIntrinsicSize = getMaxMemIntrinsicInlineSizeThreshold();
-
- if (NewSize > MaxMemIntrinsicSize)
- return 0;
-
- return NumBytesToPad;
-}
diff --git a/llvm/lib/Target/ARM/ARMTargetTransformInfo.h b/llvm/lib/Target/ARM/ARMTargetTransformInfo.h
index 3a4f940088b2e3..b0a75134ee02b7 100644
--- a/llvm/lib/Target/ARM/ARMTargetTransformInfo.h
+++ b/llvm/lib/Target/ARM/ARMTargetTransformInfo.h
@@ -337,9 +337,6 @@ class ARMTTIImpl : public BasicTTIImplBase<ARMTTIImpl> {
bool isProfitableToSinkOperands(Instruction *I,
SmallVectorImpl<Use *> &Ops) const;
-
- unsigned getNumBytesToPadGlobalArray(unsigned Size, Type *ArrayType) const;
-
/// @}
};
diff --git a/llvm/lib/Transforms/IPO/GlobalOpt.cpp b/llvm/lib/Transforms/IPO/GlobalOpt.cpp
index 4647c65a5c850f..aae4926e027ff4 100644
--- a/llvm/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/llvm/lib/Transforms/IPO/GlobalOpt.cpp
@@ -92,8 +92,6 @@ STATISTIC(NumInternalFunc, "Number of internal functions");
STATISTIC(NumColdCC, "Number of functions marked coldcc");
STATISTIC(NumIFuncsResolved, "Number of statically resolved IFuncs");
STATISTIC(NumIFuncsDeleted, "Number of IFuncs removed");
-STATISTIC(NumGlobalArraysPadded,
- "Number of global arrays padded to alignment boundary");
static cl::opt<bool>
EnableColdCCStressTest("enable-coldcc-stress-test",
@@ -2031,165 +2029,6 @@ OptimizeFunctions(Module &M,
return Changed;
}
-static bool callInstIsMemcpy(CallInst *CI) {
- if (!CI)
- return false;
-
- Function *F = CI->getCalledFunction();
- if (!F || !F->isIntrinsic() || F->getIntrinsicID() != Intrinsic::memcpy)
- return false;
-
- return true;
-}
-
-static bool destArrayCanBeWidened(CallInst *CI) {
- auto *IsVolatile = dyn_cast<ConstantInt>(CI->getArgOperand(3));
- auto *Alloca = dyn_cast<AllocaInst>(CI->getArgOperand(0));
-
- if (!Alloca || !IsVolatile || IsVolatile->isOne())
- return false;
-
- if (!Alloca->isStaticAlloca())
- return false;
-
- if (!Alloca->getAllocatedType()->isArrayTy())
- return false;
-
- return true;
-}
-
-static GlobalVariable *widenGlobalVariable(GlobalVariable *OldVar, Function *F,
- unsigned NumBytesToPad,
- unsigned NumBytesToCopy) {
- if (!OldVar->hasInitializer())
- return nullptr;
-
- ConstantDataArray *DataArray =
- dyn_cast<ConstantDataArray>(OldVar->getInitializer());
- if (!DataArray)
- return nullptr;
-
- // Update to be word aligned (memcpy(...,X,...))
- // create replacement with padded null bytes.
- StringRef Data = DataArray->getRawDataValues();
- std::vector<uint8_t> StrData(Data.begin(), Data.end());
- for (unsigned int p = 0; p < NumBytesToPad; p++)
- StrData.push_back('\0');
- auto Arr = ArrayRef(StrData.data(), NumBytesToCopy + NumBytesToPad);
- // Create new padded version of global variable.
- Constant *SourceReplace = ConstantDataArray::get(F->getContext(), Arr);
- GlobalVariable *NewGV = new GlobalVariable(
- *(F->getParent()), SourceReplace->getType(), true, OldVar->getLinkage(),
- SourceReplace, SourceReplace->getName());
- // Copy any other attributes from original global variable
- // e.g. unamed_addr
- NewGV->copyAttributesFrom(OldVar);
- NewGV->takeName(OldVar);
- return NewGV;
-}
-
-static void widenDestArray(CallInst *CI, const unsigned NumBytesToPad,
- const unsigned NumBytesToCopy,
- ConstantDataArray *SourceDataArray) {
-
- auto *Alloca = dyn_cast<AllocaInst>(CI->getArgOperand(0));
- if (Alloca) {
- unsigned ElementByteWidth = SourceDataArray->getElementByteSize();
- unsigned int TotalBytes = NumBytesToCopy + NumBytesToPad;
- unsigned NumElementsToCopy = divideCeil(TotalBytes, ElementByteWidth);
- // Update destination array to be word aligned (memcpy(X,...,...))
- IRBuilder<> BuildAlloca(Alloca);
- AllocaInst *NewAlloca = BuildAlloca.CreateAlloca(ArrayType::get(
- Alloca->getAllocatedType()->getArrayElementType(), NumElementsToCopy));
- NewAlloca->takeName(Alloca);
- NewAlloca->setAlignment(Alloca->getAlign());
- Alloca->replaceAllUsesWith(NewAlloca);
- Alloca->eraseFromParent();
- }
-}
-
-static bool tryWidenGlobalArrayAndDests(Function *F, GlobalVariable *SourceVar,
- const unsigned NumBytesToPad,
- const unsigned NumBytesToCopy,
- ConstantInt *BytesToCopyOp,
- ConstantDataArray *SourceDataArray) {
- auto *NewSourceGV =
- widenGlobalVariable(SourceVar, F, NumBytesToPad, NumBytesToCopy);
- if (!NewSourceGV)
- return false;
-
- // Update arguments of remaining uses that
- // are memcpys.
- for (auto *User : SourceVar->users()) {
- auto *CI = dyn_cast<CallInst>(User);
- if (!callInstIsMemcpy(CI) || !destArrayCanBeWidened(CI))
- continue;
-
- if (CI->getArgOperand(1) != SourceVar)
- continue;
-
- widenDestArray(CI, NumBytesToPad, NumBytesToCopy, SourceDataArray);
-
- CI->setArgOperand(2, ConstantInt::get(BytesToCopyOp->getType(),
- NumBytesToCopy + NumBytesToPad));
- }
- SourceVar->replaceAllUsesWith(NewSourceGV);
-
- NumGlobalArraysPadded++;
- return true;
-}
-
-static bool tryWidenGlobalArraysUsedByMemcpy(
- GlobalVariable *GV,
- function_ref<TargetTransformInfo &(Function &)> GetTTI) {
-
- if (!GV->hasInitializer() || !GV->isConstant() || !GV->hasLocalLinkage() ||
- !GV->hasGlobalUnnamedAddr())
- return false;
-
- for (auto *User : GV->users()) {
- CallInst *CI = dyn_cast<CallInst>(User);
- if (!callInstIsMemcpy(CI) || !destArrayCanBeWidened(CI))
- continue;
-
- Function *F = CI->getCalledFunction();
-
- auto *BytesToCopyOp = dyn_cast<ConstantInt>(CI->getArgOperand(2));
- if (!BytesToCopyOp)
- continue;
-
- ConstantDataArray *SourceDataArray =
- dyn_cast<ConstantDataArray>(GV->getInitializer());
- if (!SourceDataArray)
- continue;
-
- unsigned NumBytesToCopy = BytesToCopyOp->getZExtValue();
-
- auto *Alloca = dyn_cast<AllocaInst>(CI->getArgOperand(0));
- uint64_t DZSize = Alloca->getAllocatedType()->getArrayNumElements();
- uint64_t SZSize = SourceDataArray->getType()->getNumElements();
- unsigned ElementByteWidth = SourceDataArray->getElementByteSize();
- // Calculate the number of elements to copy while avoiding floored
- // division of integers returning wrong values i.e. copying one byte
- // from an array of i16 would yield 0 elements to copy as supposed to 1.
- unsigned NumElementsToCopy = divideCeil(NumBytesToCopy, ElementByteWidth);
-
- // For safety purposes lets add a constraint and only pad when
- // NumElementsToCopy == destination array size ==
- // source which is a constant
- if (NumElementsToCopy != DZSize || DZSize != SZSize)
- continue;
-
- unsigned NumBytesToPad = GetTTI(*F).getNumBytesToPadGlobalArray(
- NumBytesToCopy, SourceDataArray->getType());
- if (NumBytesToPad) {
- return tryWidenGlobalArrayAndDests(F, GV, NumBytesToPad, NumBytesToCopy,
- BytesToCopyOp, SourceDataArray);
- }
- }
- return false;
-}
-
static bool
OptimizeGlobalVars(Module &M,
function_ref<TargetTransformInfo &(Function &)> GetTTI,
@@ -2219,10 +2058,6 @@ OptimizeGlobalVars(Module &M,
continue;
}
- // For global variable arrays called in a memcpy
- // we try to pad to nearest valid alignment boundary
- Changed |= tryWidenGlobalArraysUsedByMemcpy(&GV, GetTTI);
-
Changed |= processGlobal(GV, GetTTI, GetTLI, LookupDomTree);
}
return Changed;
diff --git a/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-dest-non-array.ll b/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-dest-non-array.ll
deleted file mode 100644
index ab04e0a5bc697e..00000000000000
--- a/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-dest-non-array.ll
+++ /dev/null
@@ -1,39 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt < %s -mtriple=arm-none-eabi -passes=globalopt -S | FileCheck %s
-
-@.i8 = private unnamed_addr constant [3 x i8] [i8 1, i8 2, i8 3] , align 1
-
-define void @memcpy_struct() {
-; CHECK-LABEL: define void @memcpy_struct() local_unnamed_addr {
-; CHECK-NEXT: [[ENTRY:.*:]]
-; CHECK-NEXT: [[SOMETHING:%.*]] = alloca { i8, i8, i8 }, align 1
-; CHECK-NEXT: [[CALL1:%.*]] = call i32 @bar(ptr nonnull [[SOMETHING]])
-; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(3) [[SOMETHING]], ptr noundef nonnull align 1 dereferenceable(3) @.i8, i32 3, i1 false)
-; CHECK-NEXT: ret void
-;
-entry:
- %something = alloca {i8, i8, i8}, align 1
- %call1 = call i32 @bar(ptr nonnull %something)
- call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(3) %something, ptr noundef nonnull align 1 dereferenceable(3) @.i8, i32 3, i1 false)
- ret void
-}
-
-
-@.i8_multi = private unnamed_addr constant [2 x [3 x i8]] [[3 x i8] [i8 1, i8 2, i8 3], [3 x i8] [i8 4, i8 5, i8 6]] , align 1
-
-define void @memcpy_array_multidimensional() {
-; CHECK-LABEL: define void @memcpy_array_multidimensional() local_unnamed_addr {
-; CHECK-NEXT: [[ENTRY:.*:]]
-; CHECK-NEXT: [[SOMETHING:%.*]] = alloca [2 x [3 x i8]], align 1
-; CHECK-NEXT: [[CALL1:%.*]] = call i32 @bar(ptr nonnull [[SOMETHING]])
-; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(3) [[SOMETHING]], ptr noundef nonnull align 1 dereferenceable(3) @.i8_multi, i32 3, i1 false)
-; CHECK-NEXT: ret void
-;
-entry:
- %something = alloca [2 x [3 x i8]], align 1
- %call1 = call i32 @bar(ptr nonnull %something)
- call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(3) %something, ptr noundef nonnull align 1 dereferenceable(3) @.i8_multi, i32 3, i1 false)
- ret void
-}
-
-declare i32 @bar(...)
diff --git a/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-global-dest.ll b/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-global-dest.ll
deleted file mode 100644
index f435ffdeed2c8e..00000000000000
--- a/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-global-dest.ll
+++ /dev/null
@@ -1,28 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt < %s -mtriple=arm-none-eabi -passes=globalopt -S | FileCheck %s
-
-; CHECK: [3 x i8]
-@other = private unnamed_addr global [3 x i8] [i8 1, i8 2, i8 3] , align 1
-; CHECK: [4 x i8]
-@.i8 = private unnamed_addr constant [3 x i8] [i8 1, i8 2, i8 3] , align 1
-
-define void @memcpy_multiple() {
-; CHECK-LABEL: define void @memcpy_multiple() local_unnamed_addr {
-; CHECK-NEXT: [[ENTRY:.*:]]
-; CHECK-NEXT: [[SOMETHING:%.*]] = alloca [4 x i8], align 1
-; CHECK-NEXT: [[CALL2:%.*]] = call i32 @bar(ptr nonnull [[SOMETHING]])
-; CHECK-NEXT: [[CALL3:%.*]] = call i32 @bar(ptr nonnull @other)
-; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(3) @other, ptr noundef nonnull align 1 dereferenceable(3) @.i8, i32 3, i1 false)
-; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(3) [[SOMETHING]], ptr noundef nonnull align 1 dereferenceable(3) @.i8, i32 4, i1 false)
-; CHECK-NEXT: ret void
-;
-entry:
- %something = alloca [3 x i8], align 1
- %call1 = call i32 @bar(ptr nonnull %something)
- %call2 = call i32 @bar(ptr nonnull @other)
- call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(3) @other, ptr noundef nonnull align 1 dereferenceable(3) @.i8, i32 3, i1 false)
- call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(3) %something, ptr noundef nonnull align 1 dereferenceable(3) @.i8, i32 3, i1 false)
- ret void
-}
-
-declare i32 @bar(...)
diff --git a/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-non-byte-array.ll b/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-non-byte-array.ll
deleted file mode 100644
index c7ca7271fd3d27..00000000000000
--- a/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-non-byte-array.ll
+++ /dev/null
@@ -1,22 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt < %s -mtriple=arm-none-eabi -passes=globalopt -S | FileCheck %s
-
-@.i16 = private unnamed_addr constant [5 x i16] [i16 1, i16 2, i16 3, i16 4, i16 5] , align 1
-
-define void @memcpy_i16_array() {
-; CHECK-LABEL: define void @memcpy_i16_array() local_unnamed_addr {
-; CHECK-NEXT: [[ENTRY:.*:]]
-; CHECK-NEXT: [[SOMETHING1:%.*]] = alloca [6 x i16], align 1
-; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(10) [[SOMETHING1]], ptr noundef nonnull align 1 dereferenceable(10) @.i16, i32 12, i1 false)
-; CHECK-NEXT: [[CALL2:%.*]] = call i32 @bar(ptr nonnull [[SOMETHING1]])
-; CHECK-NEXT: ret void
-;
-entry:
- %something = alloca [5 x i16], align 1
- call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(10) %something, ptr noundef nonnull align 1 dereferenceable(10) @.i16, i32 10, i1 false)
- %call2 = call i32 @bar(ptr nonnull %something)
- ret void
-}
-
-
-declare i32 @bar(...)
diff --git a/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-non-const-global.ll b/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-non-const-global.ll
deleted file mode 100644
index 3d9c42fe1f3dd8..00000000000000
--- a/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-non-const-global.ll
+++ /dev/null
@@ -1,21 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt < %s -mtriple=arm-none-eabi -passes=globalopt -S | FileCheck %s
-
-@.str = unnamed_addr global [3 x i8] c"12\00", align 1
-
-define void @foo() {
-; CHECK-LABEL: define void @foo() local_unnamed_addr {
-; CHECK-NEXT: [[ENTRY:.*:]]
-; CHECK-NEXT: [[SOMETHING:%.*]] = alloca [3 x i8], align 1
-; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(3) [[SOMETHING]], ptr noundef nonnull align 1 dereferenceable(3) @.str, i32 3, i1 false)
-; CHECK-NEXT: [[CALL1:%.*]] = call i32 @bar(ptr nonnull [[SOMETHING]])
-; CHECK-NEXT: ret void
-;
-entry:
- %something = alloca [3 x i8], align 1
- call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(3) %something, ptr noundef nonnull align 1 dereferenceable(3) @.str, i32 3, i1 false)
- %call1 = call i32 @bar(ptr nonnull %something)
- ret void
-}
-
-declare i32 @bar(...)
diff --git a/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-string-multi-use.ll b/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-string-multi-use.ll
deleted file mode 100644
index e37925a78d2c3a..00000000000000
--- a/llvm/test/Transforms/GlobalOpt/ARM/arm-widen-string-multi-use.ll
+++ /dev/null
@@ -1,33 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 5
-; RUN: opt < %s -mtriple=arm-none-eabi -passes=globalopt -S | FileCheck %s
-
-@.i8 = private unnamed_addr constant [3 x i8] [i8 1, i8 2, i8 3] , align 1
-
-define void @memcpy_multiple() {
-; CHECK-LABEL: define void @memcpy_multiple() local_unnamed_addr {
-; CHECK-NEXT: [[ENTRY:.*:]]
-; CHECK-NEXT: [[SOMETHING2:%.*]] = alloca [4 x i8], align 1
-; CHECK-NEXT: [[SOMETHING1:%.*]] = alloca [4 x i8], align 1
-; CHECK-NEXT: [[SOMETHING3:%.*]] = alloca [4 x i8], align 1
-; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(3) [[SOMETHING2]], ptr noundef nonnull align 1 dereferenceable(3) @.i8, i32 4, i1 false)
-; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull align 1 dereferenceable(3) [[SOMETHING1]], ptr noundef nonnull align 1 dereferenceable(3) @.i8, i32 4, i1 false)
-; CHECK-NEXT: call void @llvm.memcpy.p0.p0.i32(ptr noundef nonnull ...
[truncated]
|
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Reverts #107120
Unexpected build failures in post-commit pipelines. Needs investigation