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Merged
merged 2 commits into from
Nov 26, 2025
Merged

[RISCV][llvm] Support BUILD_VECTOR codegen for P extension #169083

merged 2 commits into from
Nov 26, 2025

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@4vtomat 4vtomat commented Nov 21, 2025

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llvmbot commented Nov 21, 2025

@llvm/pr-subscribers-backend-risc-v

Author: Brandon Wu (4vtomat)

Changes

Full diff: https://github.com/llvm/llvm-project/pull/169083.diff

5 Files Affected:

  • (modified) llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp (+37)
  • (modified) llvm/lib/Target/RISCV/RISCVISelLowering.cpp (+24)
  • (modified) llvm/lib/Target/RISCV/RISCVInstrInfoP.td (+39)
  • (modified) llvm/test/CodeGen/RISCV/rvp-ext-rv32.ll (+41)
  • (modified) llvm/test/CodeGen/RISCV/rvp-ext-rv64.ll (+53)
diff --git a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
index 5025122db3681..fc2d034f4d589 100644
--- a/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelDAGToDAG.cpp
@@ -1867,6 +1867,43 @@ void RISCVDAGToDAGISel::Select(SDNode *Node) {
     CurDAG->RemoveDeadNode(Node);
     return;
   }
+  case RISCVISD::PPACK_DH: {
+    assert(Subtarget->enablePExtCodeGen() && Subtarget->isRV32());
+
+    SDValue Val0 = Node->getOperand(0);
+    SDValue Val1 = Node->getOperand(1);
+    SDValue Val2 = Node->getOperand(2);
+    SDValue Val3 = Node->getOperand(3);
+
+    SDValue Ops[] = {
+        CurDAG->getTargetConstant(RISCV::GPRPairRegClassID, DL, MVT::i32), Val0,
+        CurDAG->getTargetConstant(RISCV::sub_gpr_even, DL, MVT::i32), Val2,
+        CurDAG->getTargetConstant(RISCV::sub_gpr_odd, DL, MVT::i32)};
+    SDValue RegPair0 =
+        SDValue(CurDAG->getMachineNode(TargetOpcode::REG_SEQUENCE, DL,
+                                       MVT::Untyped, Ops),
+                0);
+    SDValue Ops1[] = {
+        CurDAG->getTargetConstant(RISCV::GPRPairRegClassID, DL, MVT::i32), Val1,
+        CurDAG->getTargetConstant(RISCV::sub_gpr_even, DL, MVT::i32), Val3,
+        CurDAG->getTargetConstant(RISCV::sub_gpr_odd, DL, MVT::i32)};
+    SDValue RegPair1 =
+        SDValue(CurDAG->getMachineNode(TargetOpcode::REG_SEQUENCE, DL,
+                                       MVT::Untyped, Ops1),
+                0);
+
+    MachineSDNode *PackDH = CurDAG->getMachineNode(
+        RISCV::PPACK_DH, DL, MVT::Untyped, {RegPair0, RegPair1});
+
+    SDValue Lo = CurDAG->getTargetExtractSubreg(RISCV::sub_gpr_even, DL,
+                                                MVT::i32, SDValue(PackDH, 0));
+    SDValue Hi = CurDAG->getTargetExtractSubreg(RISCV::sub_gpr_odd, DL,
+                                                MVT::i32, SDValue(PackDH, 0));
+    ReplaceUses(SDValue(Node, 0), Lo);
+    ReplaceUses(SDValue(Node, 1), Hi);
+    CurDAG->RemoveDeadNode(Node);
+    return;
+  }
   case ISD::INTRINSIC_WO_CHAIN: {
     unsigned IntNo = Node->getConstantOperandVal(0);
     switch (IntNo) {
diff --git a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
index 6020fb6ca16ce..2b814fab6a92e 100644
--- a/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
+++ b/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
@@ -519,6 +519,7 @@ RISCVTargetLowering::RISCVTargetLowering(const TargetMachine &TM,
       setTruncStoreAction(MVT::v4i16, MVT::v4i8, Expand);
     } else {
       VTs.append({MVT::v2i16, MVT::v4i8});
+      setOperationAction(ISD::BUILD_VECTOR, MVT::v4i8, Custom);
     }
     setOperationAction(ISD::UADDSAT, VTs, Legal);
     setOperationAction(ISD::SADDSAT, VTs, Legal);
@@ -4434,6 +4435,29 @@ static SDValue lowerBUILD_VECTOR(SDValue Op, SelectionDAG &DAG,
 
   SDLoc DL(Op);
 
+  if (Subtarget.isRV32() && Subtarget.enablePExtCodeGen()) {
+    if (VT != MVT::v4i8)
+      return SDValue();
+
+    // <4 x i8> BUILD_VECTOR a, b, c, d -> PACK(PPACK.DH pair(a, b), pair(c, d))
+    SDValue Val0 = DAG.getNode(ISD::BITCAST, DL, MVT::v4i8, Op->getOperand(0));
+    SDValue Val1 = DAG.getNode(ISD::BITCAST, DL, MVT::v4i8, Op->getOperand(1));
+    SDValue Val2 = DAG.getNode(ISD::BITCAST, DL, MVT::v4i8, Op->getOperand(2));
+    SDValue Val3 = DAG.getNode(ISD::BITCAST, DL, MVT::v4i8, Op->getOperand(3));
+    SDValue PackDH =
+        DAG.getNode(RISCVISD::PPACK_DH, DL, {MVT::v2i16, MVT::v2i16},
+                    {Val0, Val1, Val2, Val3});
+
+    return DAG.getNode(
+        ISD::BITCAST, DL, MVT::v4i8,
+        SDValue(
+            DAG.getMachineNode(
+                RISCV::PACK, DL, MVT::i32,
+                {DAG.getNode(ISD::BITCAST, DL, MVT::i32, PackDH.getValue(0)),
+                 DAG.getNode(ISD::BITCAST, DL, MVT::i32, PackDH.getValue(1))}),
+            0));
+  }
+
   // Proper support for f16 requires Zvfh. bf16 always requires special
   // handling. We need to cast the scalar to integer and create an integer
   // build_vector.
diff --git a/llvm/lib/Target/RISCV/RISCVInstrInfoP.td b/llvm/lib/Target/RISCV/RISCVInstrInfoP.td
index 51339d66f6de1..db5bc19aa4487 100644
--- a/llvm/lib/Target/RISCV/RISCVInstrInfoP.td
+++ b/llvm/lib/Target/RISCV/RISCVInstrInfoP.td
@@ -24,6 +24,13 @@ def SImm8UnsignedAsmOperand : SImmAsmOperand<8, "Unsigned"> {
   let RenderMethod = "addSImm8UnsignedOperands";
 }
 
+// (<2 x i16>, <2 x i16>) PPACK_DH (<4 x i8>, <4 x i8>, <4 x i8>, <4 x i8>)
+def SDT_RISCVPPackDH
+    : SDTypeProfile<2, 4, [SDTCisVT<0, v2i16>, SDTCisSameAs<0, 1>,
+                           SDTCisVT<2, v4i8>, SDTCisSameAs<0, 3>,
+                           SDTCisSameAs<0, 4>, SDTCisSameAs<0, 5>]>;
+def riscv_ppack_dh : RVSDNode<"PPACK_DH", SDT_RISCVPPackDH>;
+
 // A 8-bit signed immediate allowing range [-128, 255]
 // but represented as [-128, 127].
 def simm8_unsigned : RISCVOp, ImmLeaf<XLenVT, "return isInt<8>(Imm);"> {
@@ -1530,6 +1537,13 @@ let Predicates = [HasStdExtP, IsRV32] in {
   def : StPat<store, SW, GPR, v2i16>;
   def : LdPat<load, LW, v4i8>;
   def : LdPat<load, LW, v2i16>;
+
+  // Build vector patterns
+  def : Pat<(v4i8 (build_vector (XLenVT GPR:$a), (XLenVT GPR:$b),
+                                (XLenVT GPR:$c), (XLenVT GPR:$d))),
+            (PACK (PPACK_H GPR:$a, GPR:$b), (PPACK_H GPR:$c, GPR:$d))>;
+  def : Pat<(v2i16 (build_vector (XLenVT GPR:$a), (XLenVT GPR:$b))),
+            (PACK GPR:$a, GPR:$b)>;
 } // Predicates = [HasStdExtP, IsRV32]
 
 let Predicates = [HasStdExtP, IsRV64] in {
@@ -1566,4 +1580,29 @@ let Predicates = [HasStdExtP, IsRV64] in {
   def : LdPat<load, LD, v8i8>;
   def : LdPat<load, LD, v4i16>;
   def : LdPat<load, LD, v2i32>;
+
+  // Build vector patterns
+  def : Pat<(v8i8 (build_vector (XLenVT GPR:$a), (XLenVT GPR:$b),
+                                (XLenVT GPR:$c), (XLenVT GPR:$d),
+                                (XLenVT undef), (XLenVT undef),
+                                (XLenVT undef), (XLenVT undef))),
+            (PPACK_W (PPACK_H GPR:$a, GPR:$b), (PPACK_H GPR:$c, GPR:$d))>;
+
+  def : Pat<(v8i8 (build_vector (XLenVT GPR:$a), (XLenVT GPR:$b),
+                                (XLenVT GPR:$c), (XLenVT GPR:$d),
+                                (XLenVT GPR:$e), (XLenVT GPR:$f),
+                                (XLenVT GPR:$g), (XLenVT GPR:$h))),
+            (PACK(PPACK_W (PPACK_H GPR:$a, GPR:$b), (PPACK_H GPR:$c, GPR:$d)),
+                 (PPACK_W (PPACK_H GPR:$e, GPR:$f), (PPACK_H GPR:$g, GPR:$h)))>;
+
+  def : Pat<(v4i16 (build_vector (XLenVT GPR:$a), (XLenVT GPR:$b),
+                                 (XLenVT undef), (XLenVT undef))),
+            (PPACK_W GPR:$a, GPR:$b)>;
+
+  def : Pat<(v4i16 (build_vector (XLenVT GPR:$a), (XLenVT GPR:$b),
+                                 (XLenVT GPR:$c), (XLenVT GPR:$d))),
+            (PACK (PPACK_W GPR:$a, GPR:$b), (PPACK_W GPR:$c, GPR:$d))>;
+
+  def : Pat<(v2i32 (build_vector (XLenVT GPR:$a), (XLenVT GPR:$b))),
+            (PACK GPR:$a, GPR:$b)>;
 } // Predicates = [HasStdExtP, IsRV64]
diff --git a/llvm/test/CodeGen/RISCV/rvp-ext-rv32.ll b/llvm/test/CodeGen/RISCV/rvp-ext-rv32.ll
index bb3e691311cd8..79cf5b7903454 100644
--- a/llvm/test/CodeGen/RISCV/rvp-ext-rv32.ll
+++ b/llvm/test/CodeGen/RISCV/rvp-ext-rv32.ll
@@ -523,6 +523,47 @@ define void @test_non_const_splat_i16(ptr %ret_ptr, ptr %a_ptr, i16 %elt) {
   ret void
 }
 
+define void @test_build_vector_i8(i8 %a, i8 %c, i8 %b, i8 %d, ptr %ret_ptr) {
+; CHECK-RV32-LABEL: test_build_vector_i8:
+; CHECK-RV32:       # %bb.0:
+; CHECK-RV32-NEXT:    ppack.dh a0, a0, a2
+; CHECK-RV32-NEXT:    pack a0, a0, a1
+; CHECK-RV32-NEXT:    sw a0, 0(a4)
+; CHECK-RV32-NEXT:    ret
+;
+; CHECK-RV64-LABEL: test_build_vector_i8:
+; CHECK-RV64:       # %bb.0:
+; CHECK-RV64-NEXT:    ppack.h a1, a1, a3
+; CHECK-RV64-NEXT:    ppack.h a0, a0, a2
+; CHECK-RV64-NEXT:    ppack.w a0, a0, a1
+; CHECK-RV64-NEXT:    sw a0, 0(a4)
+; CHECK-RV64-NEXT:    ret
+  %v0 = insertelement <4 x i8> poison, i8 %a, i32 0
+  %v1 = insertelement <4 x i8> %v0, i8 %b, i32 1
+  %v2 = insertelement <4 x i8> %v1, i8 %c, i32 2
+  %v3 = insertelement <4 x i8> %v2, i8 %d, i32 3
+  store <4 x i8> %v3, ptr %ret_ptr
+  ret void
+}
+
+define void @test_build_vector_i16(ptr %ret_ptr, i16 %a, i16 %b) {
+; CHECK-RV32-LABEL: test_build_vector_i16:
+; CHECK-RV32:       # %bb.0:
+; CHECK-RV32-NEXT:    pack a1, a1, a2
+; CHECK-RV32-NEXT:    sw a1, 0(a0)
+; CHECK-RV32-NEXT:    ret
+;
+; CHECK-RV64-LABEL: test_build_vector_i16:
+; CHECK-RV64:       # %bb.0:
+; CHECK-RV64-NEXT:    ppack.w a1, a1, a2
+; CHECK-RV64-NEXT:    sw a1, 0(a0)
+; CHECK-RV64-NEXT:    ret
+  %v0 = insertelement <2 x i16> poison, i16 %a, i32 0
+  %v1 = insertelement <2 x i16> %v0, i16 %b, i32 1
+  store <2 x i16> %v1, ptr %ret_ptr
+  ret void
+}
+
 ; Intrinsic declarations
 declare <2 x i16> @llvm.sadd.sat.v2i16(<2 x i16>, <2 x i16>)
 declare <2 x i16> @llvm.uadd.sat.v2i16(<2 x i16>, <2 x i16>)
diff --git a/llvm/test/CodeGen/RISCV/rvp-ext-rv64.ll b/llvm/test/CodeGen/RISCV/rvp-ext-rv64.ll
index f989b025a12dc..36996f0ac7ac8 100644
--- a/llvm/test/CodeGen/RISCV/rvp-ext-rv64.ll
+++ b/llvm/test/CodeGen/RISCV/rvp-ext-rv64.ll
@@ -685,6 +685,59 @@ define void @test_non_const_splat_i32(ptr %ret_ptr, ptr %a_ptr, i32 %elt) {
   ret void
 }
 
+define void @test_build_vector_i8(ptr %ret_ptr, i8 %a, i8 %b, i8 %c, i8 %d, i8 %e, i8 %f, i8 %g, i8 %h) {
+; CHECK-LABEL: test_build_vector_i8:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    lbu t0, 0(sp)
+; CHECK-NEXT:    ppack.h a5, a5, a6
+; CHECK-NEXT:    ppack.h a3, a3, a4
+; CHECK-NEXT:    ppack.h a1, a1, a2
+; CHECK-NEXT:    ppack.h a2, a7, t0
+; CHECK-NEXT:    ppack.w a2, a5, a2
+; CHECK-NEXT:    ppack.w a1, a1, a3
+; CHECK-NEXT:    pack a1, a1, a2
+; CHECK-NEXT:    sd a1, 0(a0)
+; CHECK-NEXT:    ret
+  %v0 = insertelement <8 x i8> poison, i8 %a, i32 0
+  %v1 = insertelement <8 x i8> %v0, i8 %b, i32 1
+  %v2 = insertelement <8 x i8> %v1, i8 %c, i32 2
+  %v3 = insertelement <8 x i8> %v2, i8 %d, i32 3
+  %v4 = insertelement <8 x i8> %v3, i8 %e, i32 4
+  %v5 = insertelement <8 x i8> %v4, i8 %f, i32 5
+  %v6 = insertelement <8 x i8> %v5, i8 %g, i32 6
+  %v7 = insertelement <8 x i8> %v6, i8 %h, i32 7
+  store <8 x i8> %v7, ptr %ret_ptr
+  ret void
+}
+
+define void @test_build_vector_i16(ptr %ret_ptr, i16 %a, i16 %b, i16 %c, i16 %d) {
+; CHECK-LABEL: test_build_vector_i16:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    ppack.w a3, a3, a4
+; CHECK-NEXT:    ppack.w a1, a1, a2
+; CHECK-NEXT:    pack a1, a1, a3
+; CHECK-NEXT:    sd a1, 0(a0)
+; CHECK-NEXT:    ret
+  %v0 = insertelement <4 x i16> poison, i16 %a, i32 0
+  %v1 = insertelement <4 x i16> %v0, i16 %b, i32 1
+  %v2 = insertelement <4 x i16> %v1, i16 %c, i32 2
+  %v3 = insertelement <4 x i16> %v2, i16 %d, i32 3
+  store <4 x i16> %v3, ptr %ret_ptr
+  ret void
+}
+
+define void @test_build_vector_i32(ptr %ret_ptr, i32 %a, i32 %b) {
+; CHECK-LABEL: test_build_vector_i32:
+; CHECK:       # %bb.0:
+; CHECK-NEXT:    pack a1, a1, a2
+; CHECK-NEXT:    sd a1, 0(a0)
+; CHECK-NEXT:    ret
+  %v0 = insertelement <2 x i32> poison, i32 %a, i32 0
+  %v1 = insertelement <2 x i32> %v0, i32 %b, i32 1
+  store <2 x i32> %v1, ptr %ret_ptr
+  ret void
+}
+
 ; Intrinsic declarations
 declare <4 x i16> @llvm.sadd.sat.v4i16(<4 x i16>, <4 x i16>)
 declare <4 x i16> @llvm.uadd.sat.v4i16(<4 x i16>, <4 x i16>)

topperc
topperc reviewed Nov 21, 2025
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github-actions bot commented Nov 21, 2025 •
edited
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🐧 Linux x64 Test Results

  • 186452 tests passed
  • 4876 tests skipped

topperc
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LGTM

@4vtomat 4vtomat merged commit d889b97 into llvm:main Nov 26, 2025
10 checks passed
@4vtomat 4vtomat deleted the p_ext_build_vec branch November 26, 2025 02:35
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llvm-ci commented Nov 26, 2025

LLVM Buildbot has detected a new failure on builder llvm-nvptx64-nvidia-win running on as-builder-8 while building llvm at step 7 "test-build-unified-tree-check-llvm".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/155/builds/15146

Here is the relevant piece of the build log for the reference 
Step 7 (test-build-unified-tree-check-llvm) failure: test (failure)
******************** TEST 'LLVM-Unit :: Support/./SupportTests.exe/79/105' FAILED ********************
Script(shard):
--
GTEST_OUTPUT=json:C:\buildbot\as-builder-8\llvm-nvptx64-nvidia-win\build\unittests\Support\.\SupportTests.exe-LLVM-Unit-10224-79-105.json GTEST_SHUFFLE=0 GTEST_TOTAL_SHARDS=105 GTEST_SHARD_INDEX=79 C:\buildbot\as-builder-8\llvm-nvptx64-nvidia-win\build\unittests\Support\.\SupportTests.exe
--


Note: This is test shard 80 of 105.

[==========] Running 16 tests from 16 test suites.

[----------] Global test environment set-up.

[----------] 1 test from BinaryStreamTest

[ RUN      ] BinaryStreamTest.DropOperations

[       OK ] BinaryStreamTest.DropOperations (0 ms)

[----------] 1 test from BinaryStreamTest (0 ms total)



[----------] 1 test from CommandLineTest

[ RUN      ] CommandLineTest.TokenizeAndMarkEOLs

[       OK ] CommandLineTest.TokenizeAndMarkEOLs (0 ms)

[----------] 1 test from CommandLineTest (0 ms total)



[----------] 1 test from DataExtractorTest

[ RUN      ] DataExtractorTest.LEB128_error

[       OK ] DataExtractorTest.LEB128_error (0 ms)

[----------] 1 test from DataExtractorTest (0 ms total)



[----------] 1 test from Error

[ RUN      ] Error.ForwardToExpected

[       OK ] Error.ForwardToExpected (0 ms)

[----------] 1 test from Error (0 ms total)
...

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llvm-ci commented Nov 26, 2025

LLVM Buildbot has detected a new failure on builder sanitizer-aarch64-linux-bootstrap-msan running on sanitizer-buildbot10 while building llvm at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/94/builds/13046

Here is the relevant piece of the build log for the reference 
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
[3174/5680] Building CXX object lib/Target/VE/MCTargetDesc/CMakeFiles/LLVMVEDesc.dir/VEMCCodeEmitter.cpp.o
[3175/5680] Building CXX object lib/Target/AArch64/MCTargetDesc/CMakeFiles/LLVMAArch64Desc.dir/AArch64MCTargetDesc.cpp.o
[3176/5680] Building CXX object lib/Target/X86/MCTargetDesc/CMakeFiles/LLVMX86Desc.dir/X86AsmBackend.cpp.o
[3177/5680] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/DwarfDebug.cpp.o
[3178/5680] Building CXX object lib/Target/SPIRV/Analysis/CMakeFiles/LLVMSPIRVAnalysis.dir/SPIRVConvergenceRegionAnalysis.cpp.o
[3179/5680] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/ThinLTOCodeGenerator.cpp.o
[3180/5680] Building CXX object lib/Target/NVPTX/MCTargetDesc/CMakeFiles/LLVMNVPTXDesc.dir/NVPTXInstPrinter.cpp.o
[3181/5680] Building CXX object tools/clang/lib/InstallAPI/CMakeFiles/obj.clangInstallAPI.dir/FileList.cpp.o
[3182/5680] Building CXX object tools/clang/lib/InstallAPI/CMakeFiles/obj.clangInstallAPI.dir/DylibVerifier.cpp.o
[3183/5680] Building CXX object tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o
FAILED: tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o 
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang++ -DCLANG_EXPORTS -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/lib/StaticAnalyzer/Checkers -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/StaticAnalyzer/Checkers -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o -MF tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o.d -o tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o -c /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/StaticAnalyzer/Checkers/DebugContainerModeling.cpp
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang++ -DCLANG_EXPORTS -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/lib/StaticAnalyzer/Checkers -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/StaticAnalyzer/Checkers -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17 -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o -MF tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o.d -o tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o -c /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/StaticAnalyzer/Checkers/DebugContainerModeling.cpp
1.	/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/Lex/PPCallbacks.h:429:42: current parser token ','
2.	/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/Lex/PPCallbacks.h:25:1: parsing namespace 'clang'
3.	/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/Lex/PPCallbacks.h:37:1: parsing struct/union/class body 'clang::PPCallbacks'
 #0 0x0000ae84e4ae638c ___interceptor_backtrace /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_common_interceptors.inc:4556:13
 #1 0x0000ae84eb7bdd04 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:838:7
 #2 0x0000ae84eb7b82f0 llvm::sys::RunSignalHandlers() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Signals.cpp:105:18
 #3 0x0000ae84eb63b9a8 HandleCrash /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:73:5
 #4 0x0000ae84eb63b9a8 CrashRecoverySignalHandler(int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:390:51
 #5 0x0000ae84e4b18298 ~ScopedThreadLocalStateBackup /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan.h:353:37
 #6 0x0000ae84e4b18298 SignalHandler(int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:1154:1
 #7 0x0000f0000c8ea9c0 (linux-vdso.so.1+0x9c0)
 #8 0x0000f0000c3a7294 (/lib/aarch64-linux-gnu/libc.so.6+0xa7294)
 #9 0x0000ae84e4abbb40 MsanAllocate(__sanitizer::BufferedStackTrace*, unsigned long, unsigned long, bool) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_allocator.cpp:256:9
#10 0x0000ae84e4abc34c SetErrnoOnNull /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_allocator_checks.h:31:7
#11 0x0000ae84e4abc34c __msan::msan_memalign(unsigned long, unsigned long, __sanitizer::BufferedStackTrace*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_allocator.cpp:432:10
#12 0x0000ae84e4b262a0 operator new(unsigned long, std::align_val_t, std::nothrow_t const&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_new_delete.cpp:70:3
#13 0x0000ae84eb69f780 llvm::allocate_buffer(unsigned long, unsigned long) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/MemAlloc.cpp:21:14
#14 0x0000ae84e4c013c8 capacity /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:81:36
#15 0x0000ae84e4c013c8 reserveForParamAndGetAddressImpl<llvm::SmallVectorTemplateBase<void *, true> > /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:236:38
#16 0x0000ae84e4c013c8 reserveForParamAndGetAddress /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:538:9
#17 0x0000ae84e4c013c8 push_back /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:563:23
#18 0x0000ae84e4c013c8 StartNewSlab /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Allocator.h:353:11
#19 0x0000ae84e4c013c8 llvm::BumpPtrAllocatorImpl<llvm::MallocAllocator, 4096ul, 4096ul, 128ul>::AllocateSlow(unsigned long, unsigned long, llvm::Align) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Allocator.h:203:5
#20 0x0000ae84f2a33448 clang::ParmVarDecl::Create(clang::ASTContext&, clang::DeclContext*, clang::SourceLocation, clang::SourceLocation, clang::IdentifierInfo const*, clang::QualType, clang::TypeSourceInfo*, clang::StorageClass, clang::Expr*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/AST/Decl.cpp:0:10
#21 0x0000ae84f0fc6e70 clang::Sema::CheckParameter(clang::DeclContext*, clang::SourceLocation, clang::SourceLocation, clang::IdentifierInfo const*, clang::QualType, clang::TypeSourceInfo*, clang::StorageClass) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDecl.cpp:15702:22
#22 0x0000ae84f0fc5d9c clang::Sema::ActOnParamDeclarator(clang::Scope*, clang::Declarator&, clang::SourceLocation) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDecl.cpp:0:7
#23 0x0000ae84f0972154 is /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/Lex/Token.h:102:44
#24 0x0000ae84f0972154 clang::Parser::ParseParameterDeclarationClause(clang::DeclaratorContext, clang::ParsedAttributes&, llvm::SmallVectorImpl<clang::DeclaratorChunk::ParamInfo>&, clang::SourceLocation&, bool) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:7621:15
#25 0x0000ae84f096aff8 size /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:80:32
#26 0x0000ae84f096aff8 clang::Parser::ParseFunctionDeclarator(clang::Declarator&, clang::ParsedAttributes&, clang::BalancedDelimiterTracker&, bool, bool) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:7227:26
#27 0x0000ae84f0965098 clang::Parser::ParseDirectDeclarator(clang::Declarator&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:6874:9
#28 0x0000ae84f09614a0 clang::Parser::ParseDeclaratorInternal(clang::Declarator&, void (clang::Parser::*)(clang::Declarator&)) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:6436:7
#29 0x0000ae84ecd2e56c clang::StackExhaustionHandler::runWithSufficientStackSpace(clang::SourceLocation, llvm::function_ref<void ()>) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Basic/StackExhaustionHandler.cpp:21:1
#30 0x0000ae84f091853c clang::Parser::ParseDeclarator(clang::Declarator&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:6304:1
Step 13 (build stage3/msan build) failure: build stage3/msan build (failure)
...
[3174/5680] Building CXX object lib/Target/VE/MCTargetDesc/CMakeFiles/LLVMVEDesc.dir/VEMCCodeEmitter.cpp.o
[3175/5680] Building CXX object lib/Target/AArch64/MCTargetDesc/CMakeFiles/LLVMAArch64Desc.dir/AArch64MCTargetDesc.cpp.o
[3176/5680] Building CXX object lib/Target/X86/MCTargetDesc/CMakeFiles/LLVMX86Desc.dir/X86AsmBackend.cpp.o
[3177/5680] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/DwarfDebug.cpp.o
[3178/5680] Building CXX object lib/Target/SPIRV/Analysis/CMakeFiles/LLVMSPIRVAnalysis.dir/SPIRVConvergenceRegionAnalysis.cpp.o
[3179/5680] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/ThinLTOCodeGenerator.cpp.o
[3180/5680] Building CXX object lib/Target/NVPTX/MCTargetDesc/CMakeFiles/LLVMNVPTXDesc.dir/NVPTXInstPrinter.cpp.o
[3181/5680] Building CXX object tools/clang/lib/InstallAPI/CMakeFiles/obj.clangInstallAPI.dir/FileList.cpp.o
[3182/5680] Building CXX object tools/clang/lib/InstallAPI/CMakeFiles/obj.clangInstallAPI.dir/DylibVerifier.cpp.o
[3183/5680] Building CXX object tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o
FAILED: tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o 
/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang++ -DCLANG_EXPORTS -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/lib/StaticAnalyzer/Checkers -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/StaticAnalyzer/Checkers -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o -MF tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o.d -o tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o -c /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/StaticAnalyzer/Checkers/DebugContainerModeling.cpp
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/clang++ -DCLANG_EXPORTS -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/lib/StaticAnalyzer/Checkers -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/StaticAnalyzer/Checkers -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/tools/clang/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build2_msan/include -I/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -fno-common -Woverloaded-virtual -Wno-nested-anon-types -O3 -DNDEBUG -std=c++17 -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o -MF tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o.d -o tools/clang/lib/StaticAnalyzer/Checkers/CMakeFiles/obj.clangStaticAnalyzerCheckers.dir/DebugContainerModeling.cpp.o -c /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/StaticAnalyzer/Checkers/DebugContainerModeling.cpp
1.	/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/Lex/PPCallbacks.h:429:42: current parser token ','
2.	/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/Lex/PPCallbacks.h:25:1: parsing namespace 'clang'
3.	/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/Lex/PPCallbacks.h:37:1: parsing struct/union/class body 'clang::PPCallbacks'
 #0 0x0000ae84e4ae638c ___interceptor_backtrace /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_common_interceptors.inc:4556:13
 #1 0x0000ae84eb7bdd04 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Unix/Signals.inc:838:7
 #2 0x0000ae84eb7b82f0 llvm::sys::RunSignalHandlers() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/Signals.cpp:105:18
 #3 0x0000ae84eb63b9a8 HandleCrash /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:73:5
 #4 0x0000ae84eb63b9a8 CrashRecoverySignalHandler(int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:390:51
 #5 0x0000ae84e4b18298 ~ScopedThreadLocalStateBackup /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan.h:353:37
 #6 0x0000ae84e4b18298 SignalHandler(int) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_interceptors.cpp:1154:1
 #7 0x0000f0000c8ea9c0 (linux-vdso.so.1+0x9c0)
 #8 0x0000f0000c3a7294 (/lib/aarch64-linux-gnu/libc.so.6+0xa7294)
 #9 0x0000ae84e4abbb40 MsanAllocate(__sanitizer::BufferedStackTrace*, unsigned long, unsigned long, bool) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_allocator.cpp:256:9
#10 0x0000ae84e4abc34c SetErrnoOnNull /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/../sanitizer_common/sanitizer_allocator_checks.h:31:7
#11 0x0000ae84e4abc34c __msan::msan_memalign(unsigned long, unsigned long, __sanitizer::BufferedStackTrace*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_allocator.cpp:432:10
#12 0x0000ae84e4b262a0 operator new(unsigned long, std::align_val_t, std::nothrow_t const&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_new_delete.cpp:70:3
#13 0x0000ae84eb69f780 llvm::allocate_buffer(unsigned long, unsigned long) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Support/MemAlloc.cpp:21:14
#14 0x0000ae84e4c013c8 capacity /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:81:36
#15 0x0000ae84e4c013c8 reserveForParamAndGetAddressImpl<llvm::SmallVectorTemplateBase<void *, true> > /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:236:38
#16 0x0000ae84e4c013c8 reserveForParamAndGetAddress /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:538:9
#17 0x0000ae84e4c013c8 push_back /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:563:23
#18 0x0000ae84e4c013c8 StartNewSlab /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Allocator.h:353:11
#19 0x0000ae84e4c013c8 llvm::BumpPtrAllocatorImpl<llvm::MallocAllocator, 4096ul, 4096ul, 128ul>::AllocateSlow(unsigned long, unsigned long, llvm::Align) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Allocator.h:203:5
#20 0x0000ae84f2a33448 clang::ParmVarDecl::Create(clang::ASTContext&, clang::DeclContext*, clang::SourceLocation, clang::SourceLocation, clang::IdentifierInfo const*, clang::QualType, clang::TypeSourceInfo*, clang::StorageClass, clang::Expr*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/AST/Decl.cpp:0:10
#21 0x0000ae84f0fc6e70 clang::Sema::CheckParameter(clang::DeclContext*, clang::SourceLocation, clang::SourceLocation, clang::IdentifierInfo const*, clang::QualType, clang::TypeSourceInfo*, clang::StorageClass) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDecl.cpp:15702:22
#22 0x0000ae84f0fc5d9c clang::Sema::ActOnParamDeclarator(clang::Scope*, clang::Declarator&, clang::SourceLocation) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Sema/SemaDecl.cpp:0:7
#23 0x0000ae84f0972154 is /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/include/clang/Lex/Token.h:102:44
#24 0x0000ae84f0972154 clang::Parser::ParseParameterDeclarationClause(clang::DeclaratorContext, clang::ParsedAttributes&, llvm::SmallVectorImpl<clang::DeclaratorChunk::ParamInfo>&, clang::SourceLocation&, bool) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:7621:15
#25 0x0000ae84f096aff8 size /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/SmallVector.h:80:32
#26 0x0000ae84f096aff8 clang::Parser::ParseFunctionDeclarator(clang::Declarator&, clang::ParsedAttributes&, clang::BalancedDelimiterTracker&, bool, bool) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:7227:26
#27 0x0000ae84f0965098 clang::Parser::ParseDirectDeclarator(clang::Declarator&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:6874:9
#28 0x0000ae84f09614a0 clang::Parser::ParseDeclaratorInternal(clang::Declarator&, void (clang::Parser::*)(clang::Declarator&)) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:6436:7
#29 0x0000ae84ecd2e56c clang::StackExhaustionHandler::runWithSufficientStackSpace(clang::SourceLocation, llvm::function_ref<void ()>) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Basic/StackExhaustionHandler.cpp:21:1
#30 0x0000ae84f091853c clang::Parser::ParseDeclarator(clang::Declarator&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/clang/lib/Parse/ParseDecl.cpp:6304:1

augusto2112 pushed a commit to augusto2112/llvm-project that referenced this pull request Dec 3, 2025
@4vtomat @augusto2112
[RISCV][llvm] Support BUILD_VECTOR codegen for P extension (llvm#169083)
39b261f
kcloudy0717 pushed a commit to kcloudy0717/llvm-project that referenced this pull request Dec 4, 2025
@4vtomat @kcloudy0717
[RISCV][llvm] Support BUILD_VECTOR codegen for P extension (llvm#169083)
9ce6649
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@4vtomat @llvmbot @llvm-ci @topperc