clang/test/CodeGen/arm-vfp16-arguments2.cpp

   1 // RUN: %clang_cc1 -triple armv7a--none-eabi -target-abi aapcs \
   2 // RUN:   -mfloat-abi soft -target-feature +neon -emit-llvm -o - -O2 %s \
   3 // RUN:   | FileCheck %s --check-prefix=CHECK-SOFT
   4 // RUN: %clang_cc1 -triple armv7a--none-eabi -target-abi aapcs \
   5 // RUN:   -mfloat-abi hard -target-feature +neon -emit-llvm -o - -O2 %s \
   6 // RUN:   | FileCheck %s --check-prefix=CHECK-HARD
   7 // RUN: %clang_cc1 -triple armv7a--none-eabi -target-abi aapcs \
   8 // RUN:   -mfloat-abi hard -target-feature +neon -target-feature +fullfp16 \
   9 // RUN:   -emit-llvm -o - -O2 %s \
  10 // RUN:   | FileCheck %s --check-prefix=CHECK-FULL
  11
  12 typedef float float32_t;
  13 typedef __fp16 float16_t;
  14 typedef __attribute__((neon_vector_type(2))) float32_t float32x2_t;
  15 typedef __attribute__((neon_vector_type(4))) float16_t float16x4_t;
  16
  17 struct S1 {
  18   float32x2_t M1;
  19   float16x4_t M2;
  20 };
  21
  22 struct B1 { float32x2_t M; };
  23 struct B2 { float16x4_t M; };
  24
  25 struct S2 : B1, B2 {};
  26
  27 struct S3 : B1 {
  28   float16x4_t M;
  29 };
  30
  31 struct S4 : B1 {
  32   B2 M[1];
  33 };
  34
  35 // S5 does not contain any FP16 vectors
  36 struct S5 : B1 {
  37   B1 M[1];
  38 };
  39
  40 // CHECK-SOFT: define{{.*}} void @_Z2f12S1(ptr dead_on_unwind noalias nocapture writable writeonly sret(%struct.S1) align 8 initializes((0, 16)) %agg.result, [2 x i64] %s1.coerce)
  41 // CHECK-HARD: define{{.*}} arm_aapcs_vfpcc [2 x <2 x i32>] @_Z2f12S1([2 x <2 x i32>] returned %s1.coerce)
  42 // CHECK-FULL: define{{.*}} arm_aapcs_vfpcc %struct.S1 @_Z2f12S1(%struct.S1 returned %s1.coerce)
  43 struct S1 f1(struct S1 s1) { return s1; }
  44
  45 // CHECK-SOFT: define{{.*}} void @_Z2f22S2(ptr dead_on_unwind noalias nocapture writable writeonly sret(%struct.S2) align 8 initializes((0, 16)) %agg.result, [4 x i32] %s2.coerce)
  46 // CHECK-HARD: define{{.*}} arm_aapcs_vfpcc [2 x <2 x i32>] @_Z2f22S2([2 x <2 x i32>] returned %s2.coerce)
  47 // CHECK-FULL: define{{.*}} arm_aapcs_vfpcc %struct.S2 @_Z2f22S2(%struct.S2 %s2.coerce)
  48 struct S2 f2(struct S2 s2) { return s2; }
  49
  50 // CHECK-SOFT: define{{.*}} void @_Z2f32S3(ptr dead_on_unwind noalias nocapture writable writeonly sret(%struct.S3) align 8 initializes((0, 16)) %agg.result, [2 x i64] %s3.coerce)
  51 // CHECK-HARD: define{{.*}} arm_aapcs_vfpcc [2 x <2 x i32>] @_Z2f32S3([2 x <2 x i32>] returned %s3.coerce)
  52 // CHECK-FULL: define{{.*}} arm_aapcs_vfpcc %struct.S3 @_Z2f32S3(%struct.S3 %s3.coerce)
  53 struct S3 f3(struct S3 s3) { return s3; }
  54
  55 // CHECK-SOFT: define{{.*}} void @_Z2f42S4(ptr dead_on_unwind noalias nocapture writable writeonly sret(%struct.S4) align 8 initializes((0, 16)) %agg.result, [2 x i64] %s4.coerce)
  56 // CHECK-HARD: define{{.*}} arm_aapcs_vfpcc [2 x <2 x i32>] @_Z2f42S4([2 x <2 x i32>] returned %s4.coerce)
  57 // CHECK-FULL: define{{.*}} arm_aapcs_vfpcc %struct.S4 @_Z2f42S4(%struct.S4 %s4.coerce)
  58 struct S4 f4(struct S4 s4) { return s4; }
  59
  60 // CHECK-SOFT: define{{.*}} void @_Z2f52S5(ptr dead_on_unwind noalias nocapture writable writeonly sret(%struct.S5) align 8 initializes((0, 16)) %agg.result, [2 x i64] %s5.coerce)
  61 // CHECK-HARD: define{{.*}} arm_aapcs_vfpcc %struct.S5 @_Z2f52S5(%struct.S5 %s5.coerce)
  62 // CHECK-FULL: define{{.*}} arm_aapcs_vfpcc %struct.S5 @_Z2f52S5(%struct.S5 %s5.coerce)
  63 struct S5 f5(struct S5 s5) { return s5; }