Bob Wilson | 550a9d8 | 2012-08-14 17:27:04 +0000 | [diff] [blame^] | 1 | // REQUIRES: arm-registered-target |
| 2 | // RUN: %clang_cc1 -triple thumbv7-apple-darwin \ |
| 3 | // RUN: -target-abi apcs-gnu \ |
| 4 | // RUN: -target-cpu cortex-a8 \ |
| 5 | // RUN: -mfloat-abi soft \ |
| 6 | // RUN: -target-feature +soft-float-abi \ |
| 7 | // RUN: -ffreestanding \ |
| 8 | // RUN: -emit-llvm -w -o - %s | FileCheck %s |
| 9 | |
| 10 | #include <arm_neon.h> |
| 11 | |
| 12 | // Radar 11998303: Avoid using i64 types for vld1q_lane and vst1q_lane Neon |
| 13 | // intrinsics with <2 x i64> vectors to avoid poor code for i64 in the backend. |
| 14 | void t1(uint64_t *src, uint8_t *dst) { |
| 15 | // CHECK: @t1 |
| 16 | uint64x2_t q = vld1q_u64(src); |
| 17 | // CHECK: call <2 x i64> @llvm.arm.neon.vld1.v2i64 |
| 18 | vst1q_lane_u64(dst, q, 1); |
| 19 | // CHECK: bitcast <16 x i8> %{{.*}} to <2 x i64> |
| 20 | // CHECK: shufflevector <2 x i64> |
| 21 | // CHECK: call void @llvm.arm.neon.vst1.v1i64 |
| 22 | } |
| 23 | |
| 24 | void t2(uint64_t *src1, uint8_t *src2, uint64x2_t *dst) { |
| 25 | // CHECK: @t2 |
| 26 | uint64x2_t q = vld1q_u64(src1); |
| 27 | // CHECK: call <2 x i64> @llvm.arm.neon.vld1.v2i64 |
| 28 | q = vld1q_lane_u64(src2, q, 0); |
| 29 | // CHECK: shufflevector <2 x i64> |
| 30 | // CHECK: call <1 x i64> @llvm.arm.neon.vld1.v1i64 |
| 31 | // CHECK: shufflevector <1 x i64> |
| 32 | *dst = q; |
| 33 | // CHECK: store <2 x i64> |
| 34 | } |