| // 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 |
| vst1q_lane_u64(dst, q, 1); |
| // CHECK: bitcast <16 x i8> %{{.*}} to <2 x i64> |
| // CHECK: shufflevector <2 x i64> |
| // CHECK: call void @llvm.arm.neon.vst1.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 |
| q = vld1q_lane_u64(src2, q, 0); |
| // CHECK: shufflevector <2 x i64> |
| // CHECK: call <1 x i64> @llvm.arm.neon.vld1.v1i64 |
| // CHECK: shufflevector <1 x i64> |
| *dst = q; |
| // CHECK: store <2 x i64> |
| } |