Author: Florian Hahn Date: 2024-08-13T12:18:38+01:00 New Revision: 103cdd45fcdb8024f73f43bddf1764e26bfa0053
URL: https://github.com/llvm/llvm-project/commit/103cdd45fcdb8024f73f43bddf1764e26bfa0053 DIFF: https://github.com/llvm/llvm-project/commit/103cdd45fcdb8024f73f43bddf1764e26bfa0053.diff LOG: [Matrix] Add test showing unintended implicit sign conversion warning. Added: clang/test/SemaCXX/matrix-index-operator-sign-conversion.cpp Modified: Removed: ################################################################################ diff --git a/clang/test/SemaCXX/matrix-index-operator-sign-conversion.cpp b/clang/test/SemaCXX/matrix-index-operator-sign-conversion.cpp new file mode 100644 index 00000000000000..4254780651c5f5 --- /dev/null +++ b/clang/test/SemaCXX/matrix-index-operator-sign-conversion.cpp @@ -0,0 +1,20 @@ +// RUN: %clang_cc1 -triple arm64-apple-macosx -std=c++11 -fenable-matrix -fsyntax-only -verify -Wsign-conversion %s + +template <typename T, int R, int C> using m __attribute__((__matrix_type__(R,C))) = T; + +// FIXME: should not warn here. +double index1(m<double,3,1> X, int i) { return X[i][0]; } +// expected-warning@-1 {{implicit conversion changes signedness: 'int' to 'unsigned long'}} + +double index2(m<double,3,1> X, unsigned i) { return X[i][0]; } + +double index3(m<double,3,1> X, char i) { return X[i][0]; } +// expected-warning@-1 {{implicit conversion changes signedness: 'char' to 'unsigned long'}} + +double index4(m<double,3,1> X, int i) { return X[0][i]; } +// expected-warning@-1 {{implicit conversion changes signedness: 'int' to 'unsigned long'}} + +double index5(m<double,3,1> X, unsigned i) { return X[0][i]; } + +double index6(m<double,3,1> X, char i) { return X[0][i]; } +// expected-warning@-1 {{implicit conversion changes signedness: 'char' to 'unsigned long'}} _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
