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For AArch64 Neon, simplify scalar dup by lane0 for fp. 

llvm-svn: 198195
This commit is contained in:
Jiangning Liu 2013-12-30 02:45:09 +00:00
parent a0acf70af1
commit 94b0f0278e
1 changed files with 48 additions and 0 deletions
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48
clang/test/CodeGen/aarch64-neon-copy.c
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@ -1317,3 +1317,51 @@ float16x8_t test_vsetq_lane_f16_4(float16x8_t v1, float b, float c) {
// CHECK: ins {{v[0-9]+}}.h[7], {{w[0-9]+}} // CHECK: ins {{v[0-9]+}}.h[7], {{w[0-9]+}}
} }
// CHECK-LABEL: test_vdup_laneq_p64:
poly64x1_t test_vdup_laneq_p64(poly64x2_t vec) {
return vdup_laneq_p64(vec, 0);
// CHECK-NEXT: ret
}
// CHECK-LABEL: test_vdup_laneq_p64_1
poly64x1_t test_vdup_laneq_p64_1(poly64x2_t vec) {
return vdup_laneq_p64(vec, 1);
// CHECK: dup {{d[0-9]+}}, {{v[0-9]+}}.d[1]
}
// CHECK-LABEL: test_vget_lane_f32
float32_t test_vget_lane_f32_1(float32x2_t v) {
return vget_lane_f32(v, 1);
// CHECK: dup {{s[0-9]+}}, {{v[0-9]+}}.s[1]
}
// CHECK-LABEL: test_vget_lane_f64:
float64_t test_vget_lane_f64(float64x1_t v) {
return vget_lane_f64(v, 0);
// CHECK-NEXT: ret
}
// CHECK-LABEL: test_vgetq_lane_f64_1
float64_t test_vgetq_lane_f64_1(float64x2_t v) {
return vgetq_lane_f64(v, 1);
// CHECK: dup {{d[0-9]+}}, {{v[0-9]+}}.d[1]
}
// CHECK-LABEL: test_vget_lane_f32:
float32_t test_vget_lane_f32(float32x2_t v) {
return vget_lane_f32(v, 0);
// CHECK-NEXT: ret
}
// CHECK-LABEL: test_vgetq_lane_f32:
float32_t test_vgetq_lane_f32(float32x4_t v) {
return vgetq_lane_f32(v, 0);
// CHECK-NEXT: ret
}
// CHECK-LABEL: test_vgetq_lane_f64:
float64_t test_vgetq_lane_f64(float64x2_t v) {
return vgetq_lane_f64(v, 0);
// CHECK-NEXT: ret
}