[Sema] Avoid repeated hash lookups (NFC) #111227
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@llvm/pr-subscribers-clang Author: Kazu Hirata (kazutakahirata) ChangesFull diff: https://github.com/llvm/llvm-project/pull/111227.diff 1 Files Affected:
diff --git a/clang/lib/Sema/SemaOpenMP.cpp b/clang/lib/Sema/SemaOpenMP.cpp
index 8615da4b044a82..74ab52106e3234 100644
--- a/clang/lib/Sema/SemaOpenMP.cpp
+++ b/clang/lib/Sema/SemaOpenMP.cpp
@@ -1405,10 +1405,9 @@ const Expr *DSAStackTy::addUniqueAligned(const ValueDecl *D,
assert(!isStackEmpty() && "Data sharing attributes stack is empty");
D = getCanonicalDecl(D);
SharingMapTy &StackElem = getTopOfStack();
- auto It = StackElem.AlignedMap.find(D);
- if (It == StackElem.AlignedMap.end()) {
+ auto [It, Inserted] = StackElem.AlignedMap.try_emplace(D, NewDE);
+ if (Inserted) {
assert(NewDE && "Unexpected nullptr expr to be added into aligned map");
- StackElem.AlignedMap[D] = NewDE;
return nullptr;
}
assert(It->second && "Unexpected nullptr expr in the aligned map");
@@ -1420,10 +1419,9 @@ const Expr *DSAStackTy::addUniqueNontemporal(const ValueDecl *D,
assert(!isStackEmpty() && "Data sharing attributes stack is empty");
D = getCanonicalDecl(D);
SharingMapTy &StackElem = getTopOfStack();
- auto It = StackElem.NontemporalMap.find(D);
- if (It == StackElem.NontemporalMap.end()) {
+ auto [It, Inserted] = StackElem.NontemporalMap.try_emplace(D, NewDE);
+ if (Inserted) {
assert(NewDE && "Unexpected nullptr expr to be added into aligned map");
- StackElem.NontemporalMap[D] = NewDE;
return nullptr;
}
assert(It->second && "Unexpected nullptr expr in the aligned map");
@@ -21650,9 +21648,7 @@ SemaOpenMP::ActOnOpenMPDeclareReductionDirectiveStart(
while (Filter.hasNext()) {
auto *PrevDecl = cast<OMPDeclareReductionDecl>(Filter.next());
if (InCompoundScope) {
- auto I = UsedAsPrevious.find(PrevDecl);
- if (I == UsedAsPrevious.end())
- UsedAsPrevious[PrevDecl] = false;
+ UsedAsPrevious.try_emplace(PrevDecl, false);
if (OMPDeclareReductionDecl *D = PrevDecl->getPrevDeclInScope())
UsedAsPrevious[D] = true;
}
@@ -21906,9 +21902,7 @@ SemaOpenMP::DeclGroupPtrTy SemaOpenMP::ActOnOpenMPDeclareMapperDirective(
while (Filter.hasNext()) {
auto *PrevDecl = cast<OMPDeclareMapperDecl>(Filter.next());
if (InCompoundScope) {
- auto I = UsedAsPrevious.find(PrevDecl);
- if (I == UsedAsPrevious.end())
- UsedAsPrevious[PrevDecl] = false;
+ UsedAsPrevious.try_emplace(PrevDecl, false);
if (OMPDeclareMapperDecl *D = PrevDecl->getPrevDeclInScope())
UsedAsPrevious[D] = true;
}
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LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/18/builds/4975 Here is the relevant piece of the build log for the reference |
Kyvangka1610
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Oct 6, 2024
* commit 'FETCH_HEAD': [X86] combineAndLoadToBZHI - don't do an return early return if we fail to match a load [X86] replace-load-and-with-bzhi.ll - add commuted test cases to show failure to fold [X86] replace-load-and-with-bzhi.ll - cleanup check-prefixes to use X86/X64 for 32/64-bit targets [ExecutionEngine] Avoid repeated hash lookups (NFC) (llvm#111275) [ByteCode] Avoid repeated hash lookups (NFC) (llvm#111273) [StaticAnalyzer] Avoid repeated hash lookups (NFC) (llvm#111272) [CodeGen] Avoid repeated hash lookups (NFC) (llvm#111274) [RISCV] Simplify fixed-vector-fp.ll run lines. NFC [libc++][format][1/3] Adds more benchmarks. (llvm#101803) [X86] combineOrXorWithSETCC - avoid duplicate SDLoc/operands code. NFC. [X86] convertIntLogicToFPLogic - avoid duplicate SDLoc/operands code. NFC. [libc] Clean up some include in `libc`. (llvm#110980) [X86] combineBitOpWithPACK - avoid duplicate SDLoc/operands code. NFC. [X86] combineBitOpWithMOVMSK - avoid duplicate SDLoc/operands code. NFC. [X86] combineBitOpWithShift - avoid duplicate SDLoc/operands code. NFC. [x86] combineMul - use computeKnownBits directly to find MUL_IMM constant splat. [X86] combineSubABS - avoid duplicate SDLoc. NFC. [ValueTypes][RISCV] Add v1bf16 type (llvm#111112) [VPlan] Add additional FOR hoisting test. [clang-tidy] Create bugprone-bitwise-pointer-cast check (llvm#108083) [InstCombine] Canonicalize more geps with constant gep bases and constant offsets. (llvm#110033) [LV] Honor uniform-after-vectorization in setVectorizedCallDecision. [ELF] Pass Ctx & to Arch/ [ELF] Pass Ctx & to Arch/ [libc++] Fix a typo (llvm#111239) [X86] For minsize memset/memcpy, use byte or double-word accesses (llvm#87003) [RISCV] Unify RVBShift_ri and RVBShiftW_ri with Shift_ri and ShiftW_ri. NFC (llvm#111263) Revert "Reapply "[AMDGPU][GlobalISel] Fix load/store of pointer vectors, buffer.*.pN (llvm#110714)" (llvm#111059)" [libc] Add missing include to __support/StringUtil/tables/stdc_errors.h. (llvm#111271) [libc] remove errno.h includes (llvm#110934) [NFC][rtsan] Update docs to include [[clang::blocking]] (llvm#111249) [RISCV] Give ZEXT_H_RV32 and ZEXT_H_RV64 R-type format to match PACK. NFC [mlir][SPIRV] Fix build (2) (llvm#111265) [mlir][SPIRV] Fix build error (llvm#111264) [mlir][NFC] Mark type converter in `populate...` functions as `const` (llvm#111250) [Basic] Avoid repeated hash lookups (NFC) (llvm#111228) [RISCV] Use THShift_ri class instead of RVBShift_ri for TH_TST instruction. NFC [VPlan] Only generate first lane for VPPredInstPHI if no others used. [ELF] Don't call getPPC64TargetInfo outside Driver. NFC [GISel] Don't preserve NSW flag when converting G_MUL of INT_MIN to G_SHL. (llvm#111230) [APInt] Slightly simplify APInt::ashrSlowCase. NFC (llvm#111220) [Sema] Avoid repeated hash lookups (NFC) (llvm#111227) [Affine] Avoid repeated hash lookups (NFC) (llvm#111226) [Driver] Avoid repeated hash lookups (NFC) (llvm#111225) [clang][test] Remove a broken bytecode test [ELF] Pass Ctx & [ELF] Pass Ctx & to Relocations Signed-off-by: kyvangka1610 <[email protected]>
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