Mercurial > hg > CbC > CbC_llvm
view clang/test/CodeGen/arm-neon-misc.c @ 236:c4bab56944e8 llvm-original
LLVM 16
author | kono |
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date | Wed, 09 Nov 2022 17:45:10 +0900 |
parents | 1d019706d866 |
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// REQUIRES: arm-registered-target // RUN: %clang_cc1 -triple thumbv7-apple-darwin \ // RUN: -target-abi apcs-gnu \ // RUN: -target-cpu cortex-a8 \ // RUN: -mfloat-abi soft \ // RUN: -target-feature +soft-float-abi \ // RUN: -ffreestanding \ // RUN: -emit-llvm -w -o - %s | FileCheck %s #include <arm_neon.h> // Radar 11998303: Avoid using i64 types for vld1q_lane and vst1q_lane Neon // intrinsics with <2 x i64> vectors to avoid poor code for i64 in the backend. void t1(uint64_t *src, uint8_t *dst) { // CHECK: @t1 uint64x2_t q = vld1q_u64(src); // CHECK: call <2 x i64> @llvm.arm.neon.vld1.v2i64.p0 vst1q_lane_u64(dst, q, 1); // CHECK: shufflevector <2 x i64> // CHECK: call void @llvm.arm.neon.vst1.p0.v1i64 } void t2(uint64_t *src1, uint8_t *src2, uint64x2_t *dst) { // CHECK: @t2 uint64x2_t q = vld1q_u64(src1); // CHECK: call <2 x i64> @llvm.arm.neon.vld1.v2i64.p0 q = vld1q_lane_u64(src2, q, 0); // CHECK: shufflevector <2 x i64> // CHECK: call <1 x i64> @llvm.arm.neon.vld1.v1i64.p0 // CHECK: shufflevector <1 x i64> *dst = q; // CHECK: store <2 x i64> }