clang/test/CodeGen/aarch64-args-hfa.c

   1 // RUN: %clang_cc1 -no-opaque-pointers -triple aarch64-none-eabi -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-AAPCS
   2 // RUN: %clang_cc1 -no-opaque-pointers -triple arm64-apple-ios7.0 -target-abi darwinpcs -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-DARWIN
   3 // RUN: %clang_cc1 -no-opaque-pointers -triple aarch64-linux-gnu -emit-llvm -o - -x c %s | FileCheck %s --check-prefixes=CHECK,CHECK-AAPCS
   4
   5 typedef struct {
   6   float v[2];
   7 } S0;
   8
   9 // CHECK: define{{.*}} float @f0([2 x float] %h.coerce)
  10 float f0(S0 h) {
  11   return h.v[0];
  12 }
  13
  14 // CHECK: define{{.*}} float @f0_call()
  15 // CHECK: %call = call float @f0([2 x float] %1)
  16 float f0_call(void) {
  17   S0 h = {1.0f, 2.0f};
  18   return f0(h);
  19 }
  20 typedef struct {
  21   double v[2];
  22 } S1;
  23
  24 // CHECK: define{{.*}} double @f1([2 x double] %h.coerce)
  25 double f1(S1 h) {
  26   return h.v[0];
  27 }
  28
  29 // CHECK: define{{.*}} double @f1_call()
  30 // CHECK: %call = call double @f1([2 x double] %1
  31 double f1_call(void) {
  32   S1 h = {1.0, 2.0};
  33   return f1(h);
  34 }
  35 typedef struct {
  36   __attribute__((__aligned__(16))) double v[2];
  37 } S2;
  38
  39 // CHECK-AAPCS:  define{{.*}} double @f2([2 x double] alignstack(16) %h.coerce)
  40 // CHECK-DARWIN: define{{.*}} double @f2([2 x double] %h.coerce)
  41 double f2(S2 h) {
  42   return h.v[0];
  43 }
  44
  45 // CHECK: define{{.*}} double @f2_call()
  46 // CHECK-AAPCS:  %call = call double @f2([2 x double] alignstack(16) %1)
  47 // CHECK-DARWIN: %call = call double @f2([2 x double] %1
  48 double f2_call(void) {
  49   S2 h = {1.0, 2.0};
  50   return f2(h);
  51 }
  52
  53 typedef struct {
  54   __attribute__((__aligned__(32))) double v[4];
  55 } S3;
  56
  57 // CHECK-AAPCS:  define{{.*}} double @f3([4 x double] alignstack(16) %h.coerce)
  58 // CHECK-DARWIN: define{{.*}} double @f3([4 x double] %h.coerce)
  59 double f3(S3 h) {
  60   return h.v[0];
  61 }
  62
  63 // CHECK: define{{.*}} double @f3_call()
  64 // CHECK-AAPCS:  %call = call double @f3([4 x double] alignstack(16) %1)
  65 // CHECK-DARWIN: %call = call double @f3([4 x double] %1
  66 double f3_call(void) {
  67   S3 h = {1.0, 2.0};
  68   return f3(h);
  69 }