https://github.com/Ko496-glitch updated https://github.com/llvm/llvm-project/pull/189305
>From 2d47db0ff28f869363ed3808a82d6996dd07c2c5 Mon Sep 17 00:00:00 2001 From: kartikohlan <[email protected]> Date: Sun, 29 Mar 2026 23:49:47 -0400 Subject: [PATCH 1/2] [Clang] Fix assertion failure (#189260) --- clang/lib/CodeGen/CGExpr.cpp | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp index 23802cdeb4811..737d4fd145a4d 100644 --- a/clang/lib/CodeGen/CGExpr.cpp +++ b/clang/lib/CodeGen/CGExpr.cpp @@ -2781,6 +2781,10 @@ void CodeGenFunction::EmitStoreThroughLValue(RValue Src, LValue Dst, Builder.getInt1Ty(), IRStoreTy->getPrimitiveSizeInBits()); Vec = Builder.CreateBitCast(Vec, IRVecTy); // iN --> <N x i1>. + + if(SrcVal->getType() != Builder.getInt1Ty()) + SrcVal = Builder.CreateTrunc(SrcVal,Builder.getInt1Ty()); + } } // Allow inserting `<1 x T>` into an `<N x T>`. It can happen with scalar >From 45a41f0bc15e448ab22921d14c7f39acae8d83b4 Mon Sep 17 00:00:00 2001 From: kartikohlan <[email protected]> Date: Mon, 30 Mar 2026 18:46:21 -0400 Subject: [PATCH 2/2] Added the exisiting practise and fixed the format --- clang/lib/CodeGen/CGExpr.cpp | 5 ++--- clang/test/CodeGen/ext-vector-bool-read.cpp | 21 +++++++++++++++++++++ 2 files changed, 23 insertions(+), 3 deletions(-) create mode 100644 clang/test/CodeGen/ext-vector-bool-read.cpp diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp index 737d4fd145a4d..20a38b6367df5 100644 --- a/clang/lib/CodeGen/CGExpr.cpp +++ b/clang/lib/CodeGen/CGExpr.cpp @@ -2782,9 +2782,8 @@ void CodeGenFunction::EmitStoreThroughLValue(RValue Src, LValue Dst, Vec = Builder.CreateBitCast(Vec, IRVecTy); // iN --> <N x i1>. - if(SrcVal->getType() != Builder.getInt1Ty()) - SrcVal = Builder.CreateTrunc(SrcVal,Builder.getInt1Ty()); - } + SrcVal = Builder.CreateIntCast(SrcVal, Builder.getInt1Ty(), + /*isSigned=*/false); } // Allow inserting `<1 x T>` into an `<N x T>`. It can happen with scalar diff --git a/clang/test/CodeGen/ext-vector-bool-read.cpp b/clang/test/CodeGen/ext-vector-bool-read.cpp new file mode 100644 index 0000000000000..358dc5919b245 --- /dev/null +++ b/clang/test/CodeGen/ext-vector-bool-read.cpp @@ -0,0 +1,21 @@ +// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -o - %s | FileCheck %s +// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O2 -o - %s | FileCheck %s + +// Regression test for GH#189260: Clang crashed with an assertion failure +// in InsertElementInst when storing to an element of an ext_vector_type +// with bool element type. + +typedef __attribute__((ext_vector_type(32))) bool v32bool; +v32bool v32b = {}; + +// CHECK-LABEL: @_Z5test1v +void test1() { + // CHECK: insertelement <32 x i1> + v32b[0] = true; +} + +// CHECK-LABEL: @_Z5test2v +void test2() { + // CHECK: insertelement <32 x i1> + v32b[31] = true; +} _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
