https://github.com/Pranav10903 created https://github.com/llvm/llvm-project/pull/70468
None >From 57c8eadd6ef3d40f14cefa7b88d70c43aac5757e Mon Sep 17 00:00:00 2001 From: Pranav Tatavarthy <97344709+pranav10...@users.noreply.github.com> Date: Fri, 27 Oct 2023 21:13:45 +0530 Subject: [PATCH 1/3] Update uniform_real_distribution.h ( Include static_assert ) Included a static_assert to deal with the undefined behaviour because of uniform_real_type being initialized by non floating point type values. reference: https://en.cppreference.com/w/cpp/numeric/random/uniform_real_distribution --- libcxx/include/__random/uniform_real_distribution.h | 1 + 1 file changed, 1 insertion(+) diff --git a/libcxx/include/__random/uniform_real_distribution.h b/libcxx/include/__random/uniform_real_distribution.h index 1388cef95f39414..9b46873ad750787 100644 --- a/libcxx/include/__random/uniform_real_distribution.h +++ b/libcxx/include/__random/uniform_real_distribution.h @@ -27,6 +27,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD template<class _RealType = double> class _LIBCPP_TEMPLATE_VIS uniform_real_distribution { + static_assert(std::is_floating_point<_RealType>::value, "result_type must be a floating point type"); public: // types typedef _RealType result_type; >From c11d80bc9de91217a52fbdea4040704fa8f95fb0 Mon Sep 17 00:00:00 2001 From: Pranav Tatavarthy <97344709+pranav10...@users.noreply.github.com> Date: Fri, 27 Oct 2023 21:19:15 +0530 Subject: [PATCH 2/3] Update mve-narrow.ll --- .../Transforms/InstCombine/ARM/mve-narrow.ll | 24 ------------------- 1 file changed, 24 deletions(-) diff --git a/llvm/test/Transforms/InstCombine/ARM/mve-narrow.ll b/llvm/test/Transforms/InstCombine/ARM/mve-narrow.ll index 20babc29d535ec2..623e774ea2c31ac 100644 --- a/llvm/test/Transforms/InstCombine/ARM/mve-narrow.ll +++ b/llvm/test/Transforms/InstCombine/ARM/mve-narrow.ll @@ -241,30 +241,6 @@ define <8 x half> @test_cvtnp_v8i16_bt(<8 x half> %a, <8 x half> %b, <4 x float> ret <8 x half> %z } -define <4 x i32> @test_vshrn_const(<8 x i16> %a) { -; CHECK-LABEL: @test_vshrn_const( -; CHECK-NEXT: ret <4 x i32> zeroinitializer -; - %y = call <8 x i16> @llvm.arm.mve.vshrn.v8i16.v4i32(<8 x i16> %a, <4 x i32> <i32 512, i32 0, i32 0, i32 0>, i32 3, i32 0, i32 0, i32 0, i32 0, i32 1) - %z = shufflevector <8 x i16> %y, <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7> - %za = zext <4 x i16> %z to <4 x i32> - ret <4 x i32> %za -} - -define zeroext i16 @test_undef_bits() { -; CHECK-LABEL: @test_undef_bits( -; CHECK-NEXT: e: -; CHECK-NEXT: ret i16 0 -; -e: - %0 = call <8 x i16> @llvm.arm.mve.vshrn.v8i16.v4i32(<8 x i16> zeroinitializer, <4 x i32> <i32 256, i32 0, i32 0, i32 0>, i32 8, i32 1, i32 1, i32 1, i32 0, i32 1) - %1 = shufflevector <8 x i16> %0, <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7> - %2 = zext <4 x i16> %1 to <4 x i32> - %3 = bitcast <4 x i32> %2 to <8 x i16> - %4 = extractelement <8 x i16> %3, i32 0 - ret i16 %4 -} - declare <8 x i16> @llvm.arm.mve.vshrn.v8i16.v4i32(<8 x i16>, <4 x i32>, i32, i32, i32, i32, i32, i32) declare <8 x i16> @llvm.arm.mve.vshrn.predicated.v8i16.v4i32.v4i1(<8 x i16>, <4 x i32>, i32, i32, i32, i32, i32, i32, <4 x i1>) declare <16 x i8> @llvm.arm.mve.vshrn.v16i8.v8i16(<16 x i8>, <8 x i16>, i32, i32, i32, i32, i32, i32) _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
