Revert "[DirectX] Lower llvm.lifetime.* intrinsics to stores when DXIL version is lower than 1.6 (#147432)"
#149874
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…XIL version is lower than 1.6 (llvm#147432)" This reverts commit d47c126.
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@llvm/pr-subscribers-backend-directx Author: Deric C. (Icohedron) ChangesThis PR reverts commit d47c126 (corresponding to PR #147432) to fix a build failure caused by #149310 Full diff: https://github.com/llvm/llvm-project/pull/149874.diff 3 Files Affected:
diff --git a/llvm/lib/Target/DirectX/DXILOpLowering.cpp b/llvm/lib/Target/DirectX/DXILOpLowering.cpp
index 0ec15a629d0a2..995120309a938 100644
--- a/llvm/lib/Target/DirectX/DXILOpLowering.cpp
+++ b/llvm/lib/Target/DirectX/DXILOpLowering.cpp
@@ -39,13 +39,11 @@ class OpLowerer {
DXILOpBuilder OpBuilder;
DXILResourceMap &DRM;
DXILResourceTypeMap &DRTM;
- const ModuleMetadataInfo &MMDI;
SmallVector<CallInst *> CleanupCasts;
public:
- OpLowerer(Module &M, DXILResourceMap &DRM, DXILResourceTypeMap &DRTM,
- const ModuleMetadataInfo &MMDI)
- : M(M), OpBuilder(M), DRM(DRM), DRTM(DRTM), MMDI(MMDI) {}
+ OpLowerer(Module &M, DXILResourceMap &DRM, DXILResourceTypeMap &DRTM)
+ : M(M), OpBuilder(M), DRM(DRM), DRTM(DRTM) {}
/// Replace every call to \c F using \c ReplaceCall, and then erase \c F. If
/// there is an error replacing a call, we emit a diagnostic and return true.
@@ -318,7 +316,8 @@ class OpLowerer {
/// model and taking into account binding information from
/// DXILResourceAnalysis.
bool lowerHandleFromBinding(Function &F) {
- if (MMDI.DXILVersion < VersionTuple(1, 6))
+ const Triple &TT = M.getTargetTriple();
+ if (TT.getDXILVersion() < VersionTuple(1, 6))
return lowerToCreateHandle(F);
return lowerToBindAndAnnotateHandle(F);
}
@@ -487,6 +486,8 @@ class OpLowerer {
}
[[nodiscard]] bool lowerRawBufferLoad(Function &F) {
+ const Triple &TT = M.getTargetTriple();
+ VersionTuple DXILVersion = TT.getDXILVersion();
const DataLayout &DL = F.getDataLayout();
IRBuilder<> &IRB = OpBuilder.getIRB();
Type *Int8Ty = IRB.getInt8Ty();
@@ -510,7 +511,7 @@ class OpLowerer {
ConstantInt::get(Int32Ty, DL.getPrefTypeAlign(ScalarTy).value());
Expected<CallInst *> OpCall =
- MMDI.DXILVersion >= VersionTuple(1, 2)
+ DXILVersion >= VersionTuple(1, 2)
? OpBuilder.tryCreateOp(OpCode::RawBufferLoad,
{Handle, Index0, Index1, Mask, Align},
CI->getName(), NewRetTy)
@@ -585,6 +586,8 @@ class OpLowerer {
}
[[nodiscard]] bool lowerBufferStore(Function &F, bool IsRaw) {
+ const Triple &TT = M.getTargetTriple();
+ VersionTuple DXILVersion = TT.getDXILVersion();
const DataLayout &DL = F.getDataLayout();
IRBuilder<> &IRB = OpBuilder.getIRB();
Type *Int8Ty = IRB.getInt8Ty();
@@ -651,7 +654,7 @@ class OpLowerer {
SmallVector<Value *, 9> Args{
Handle, Index0, Index1, DataElements[0],
DataElements[1], DataElements[2], DataElements[3], Mask};
- if (IsRaw && MMDI.DXILVersion >= VersionTuple(1, 2)) {
+ if (IsRaw && DXILVersion >= VersionTuple(1, 2)) {
Op = OpCode::RawBufferStore;
// RawBufferStore requires the alignment
Args.push_back(
@@ -742,37 +745,6 @@ class OpLowerer {
});
}
- [[nodiscard]] bool lowerLifetimeIntrinsic(Function &F) {
- IRBuilder<> &IRB = OpBuilder.getIRB();
- return replaceFunction(F, [&](CallInst *CI) -> Error {
- IRB.SetInsertPoint(CI);
- Value *Ptr = CI->getArgOperand(1);
- assert(Ptr->getType()->isPointerTy() &&
- "Expected operand of lifetime intrinsic to be a pointer");
-
- auto ZeroOrUndef = [&](Type *Ty) {
- return MMDI.ValidatorVersion < VersionTuple(1, 6)
- ? Constant::getNullValue(Ty)
- : UndefValue::get(Ty);
- };
-
- Value *Val = nullptr;
- if (auto *GV = dyn_cast<GlobalVariable>(Ptr)) {
- if (GV->hasInitializer() || GV->isExternallyInitialized())
- return Error::success();
- Val = ZeroOrUndef(GV->getValueType());
- } else if (auto *AI = dyn_cast<AllocaInst>(Ptr))
- Val = ZeroOrUndef(AI->getAllocatedType());
-
- assert(Val && "Expected operand of lifetime intrinsic to be a global "
- "variable or alloca instruction");
- IRB.CreateStore(Val, Ptr, false);
-
- CI->eraseFromParent();
- return Error::success();
- });
- }
-
[[nodiscard]] bool lowerIsFPClass(Function &F) {
IRBuilder<> &IRB = OpBuilder.getIRB();
Type *RetTy = IRB.getInt1Ty();
@@ -831,6 +803,8 @@ class OpLowerer {
case Intrinsic::dx_resource_casthandle:
// NOTE: llvm.dbg.value is supported as is in DXIL.
case Intrinsic::dbg_value:
+ case Intrinsic::lifetime_start:
+ case Intrinsic::lifetime_end:
case Intrinsic::not_intrinsic:
if (F.use_empty())
F.eraseFromParent();
@@ -881,17 +855,6 @@ class OpLowerer {
case Intrinsic::ctpop:
HasErrors |= lowerCtpopToCountBits(F);
break;
- case Intrinsic::lifetime_start:
- case Intrinsic::lifetime_end:
- if (F.use_empty())
- F.eraseFromParent();
- else {
- if (MMDI.DXILVersion < VersionTuple(1, 6))
- HasErrors |= lowerLifetimeIntrinsic(F);
- else
- continue;
- }
- break;
case Intrinsic::is_fpclass:
HasErrors |= lowerIsFPClass(F);
break;
@@ -909,9 +872,8 @@ class OpLowerer {
PreservedAnalyses DXILOpLowering::run(Module &M, ModuleAnalysisManager &MAM) {
DXILResourceMap &DRM = MAM.getResult<DXILResourceAnalysis>(M);
DXILResourceTypeMap &DRTM = MAM.getResult<DXILResourceTypeAnalysis>(M);
- const ModuleMetadataInfo MMDI = MAM.getResult<DXILMetadataAnalysis>(M);
- const bool MadeChanges = OpLowerer(M, DRM, DRTM, MMDI).lowerIntrinsics();
+ bool MadeChanges = OpLowerer(M, DRM, DRTM).lowerIntrinsics();
if (!MadeChanges)
return PreservedAnalyses::all();
PreservedAnalyses PA;
@@ -929,10 +891,8 @@ class DXILOpLoweringLegacy : public ModulePass {
getAnalysis<DXILResourceWrapperPass>().getResourceMap();
DXILResourceTypeMap &DRTM =
getAnalysis<DXILResourceTypeWrapperPass>().getResourceTypeMap();
- const ModuleMetadataInfo MMDI =
- getAnalysis<DXILMetadataAnalysisWrapperPass>().getModuleMetadata();
- return OpLowerer(M, DRM, DRTM, MMDI).lowerIntrinsics();
+ return OpLowerer(M, DRM, DRTM).lowerIntrinsics();
}
StringRef getPassName() const override { return "DXIL Op Lowering"; }
DXILOpLoweringLegacy() : ModulePass(ID) {}
@@ -941,7 +901,6 @@ class DXILOpLoweringLegacy : public ModulePass {
void getAnalysisUsage(llvm::AnalysisUsage &AU) const override {
AU.addRequired<DXILResourceTypeWrapperPass>();
AU.addRequired<DXILResourceWrapperPass>();
- AU.addRequired<DXILMetadataAnalysisWrapperPass>();
AU.addPreserved<DXILResourceWrapperPass>();
AU.addPreserved<DXILMetadataAnalysisWrapperPass>();
AU.addPreserved<ShaderFlagsAnalysisWrapper>();
diff --git a/llvm/test/CodeGen/DirectX/legalize-lifetimes-valver-1.6.ll b/llvm/test/CodeGen/DirectX/legalize-lifetimes-valver-1.6.ll
deleted file mode 100644
index f77df2d812dfe..0000000000000
--- a/llvm/test/CodeGen/DirectX/legalize-lifetimes-valver-1.6.ll
+++ /dev/null
@@ -1,56 +0,0 @@
-; RUN: opt -S -passes='dxil-op-lower' -mtriple=dxil-pc-shadermodel6.3-library %s | FileCheck %s --check-prefixes=CHECK,CHECK-SM63
-; RUN: opt -S -passes='dxil-op-lower' -mtriple=dxil-pc-shadermodel6.6-library %s | FileCheck %s --check-prefixes=CHECK,CHECK-SM66
-; RUN: opt -S -dxil-op-lower -dxil-prepare -mtriple=dxil-pc-shadermodel6.6-library %s | FileCheck %s --check-prefixes=CHECK,CHECK-PREPARE
-
-; CHECK-LABEL: define void @test_legal_lifetime() {
-;
-; CHECK-SM63-NEXT: [[ACCUM_I_FLAT:%.*]] = alloca [1 x i32], align 4
-; CHECK-SM63-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[ACCUM_I_FLAT]], i32 0
-; CHECK-SM63-NEXT: store [1 x i32] undef, ptr [[ACCUM_I_FLAT]], align 4
-; CHECK-SM63-NEXT: store i32 0, ptr [[GEP]], align 4
-; CHECK-SM63-NEXT: store [1 x i32] undef, ptr [[ACCUM_I_FLAT]], align 4
-;
-; CHECK-SM66-NEXT: [[ACCUM_I_FLAT:%.*]] = alloca [1 x i32], align 4
-; CHECK-SM66-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[ACCUM_I_FLAT]], i32 0
-; CHECK-SM66-NEXT: call void @llvm.lifetime.start.p0(i64 4, ptr nonnull [[ACCUM_I_FLAT]])
-; CHECK-SM66-NEXT: store i32 0, ptr [[GEP]], align 4
-; CHECK-SM66-NEXT: call void @llvm.lifetime.end.p0(i64 4, ptr nonnull [[ACCUM_I_FLAT]])
-;
-; CHECK-PREPARE-NEXT: [[ACCUM_I_FLAT:%.*]] = alloca [1 x i32], align 4
-; CHECK-PREPARE-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[ACCUM_I_FLAT]], i32 0
-; CHECK-PREPARE-NEXT: [[BITCAST:%.*]] = bitcast ptr [[ACCUM_I_FLAT]] to ptr
-; CHECK-PREPARE-NEXT: call void @llvm.lifetime.start.p0(i64 4, ptr nonnull [[BITCAST]])
-; CHECK-PREPARE-NEXT: store i32 0, ptr [[GEP]], align 4
-; CHECK-PREPARE-NEXT: [[BITCAST:%.*]] = bitcast ptr [[ACCUM_I_FLAT]] to ptr
-; CHECK-PREPARE-NEXT: call void @llvm.lifetime.end.p0(i64 4, ptr nonnull [[BITCAST]])
-;
-; CHECK-NEXT: ret void
-;
-define void @test_legal_lifetime() {
- %accum.i.flat = alloca [1 x i32], align 4
- %gep = getelementptr i32, ptr %accum.i.flat, i32 0
- call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %accum.i.flat)
- store i32 0, ptr %gep, align 4
- call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %accum.i.flat)
- ret void
-}
-
-; CHECK-PREPARE-DAG: attributes [[LIFETIME_ATTRS:#.*]] = { nounwind }
-
-; CHECK-PREPARE-DAG: ; Function Attrs: nounwind
-; CHECK-PREPARE-DAG: declare void @llvm.lifetime.start.p0(i64, ptr) [[LIFETIME_ATTRS]]
-
-; CHECK-PREPARE-DAG: ; Function Attrs: nounwind
-; CHECK-PREPARE-DAG: declare void @llvm.lifetime.end.p0(i64, ptr) [[LIFETIME_ATTRS]]
-
-; Function Attrs: nounwind memory(argmem: readwrite)
-declare void @llvm.lifetime.end.p0(i64, ptr) #0
-
-; Function Attrs: nounwind memory(argmem: readwrite)
-declare void @llvm.lifetime.start.p0(i64, ptr) #0
-
-attributes #0 = { nounwind memory(argmem: readwrite) }
-
-; Set the validator version to 1.6
-!dx.valver = !{!0}
-!0 = !{i32 1, i32 6}
diff --git a/llvm/test/CodeGen/DirectX/legalize-lifetimes-valver-1.5.ll b/llvm/test/CodeGen/DirectX/legalize-lifetimes.ll
similarity index 74%
rename from llvm/test/CodeGen/DirectX/legalize-lifetimes-valver-1.5.ll
rename to llvm/test/CodeGen/DirectX/legalize-lifetimes.ll
index e485fa20ddfce..44b2419a05d64 100644
--- a/llvm/test/CodeGen/DirectX/legalize-lifetimes-valver-1.5.ll
+++ b/llvm/test/CodeGen/DirectX/legalize-lifetimes.ll
@@ -3,9 +3,9 @@
; CHECK-LABEL: define void @test_legal_lifetime() {
; CHECK-NEXT: [[ACCUM_I_FLAT:%.*]] = alloca [1 x i32], align 4
; CHECK-NEXT: [[GEP:%.*]] = getelementptr i32, ptr [[ACCUM_I_FLAT]], i32 0
-; CHECK-NEXT: store [1 x i32] zeroinitializer, ptr [[ACCUM_I_FLAT]], align 4
+; CHECK-NEXT: call void @llvm.lifetime.start.p0(i64 4, ptr nonnull [[ACCUM_I_FLAT]])
; CHECK-NEXT: store i32 0, ptr [[GEP]], align 4
-; CHECK-NEXT: store [1 x i32] zeroinitializer, ptr [[ACCUM_I_FLAT]], align 4
+; CHECK-NEXT: call void @llvm.lifetime.end.p0(i64 4, ptr nonnull [[ACCUM_I_FLAT]])
; CHECK-NEXT: ret void
;
define void @test_legal_lifetime() {
@@ -16,7 +16,3 @@ define void @test_legal_lifetime() {
call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %accum.i.flat)
ret void
}
-
-; Set the validator version to 1.5
-!dx.valver = !{!0}
-!0 = !{i32 1, i32 5}
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…cs to stores when DXIL version is lower than 1.6 (#147432)"" (#149882) Reverts llvm/llvm-project#149874 Reverted the wrong PR by mistake.
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This PR reverts commit d47c126 (corresponding to PR #147432) to fix a build failure caused by #149310