clang/test/CodeGen/AArch64/args-hfa.c

   1 // RUN: %clang_cc1 -triple aarch64 -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-AAPCS
   2 // RUN: %clang_cc1 -triple arm64-apple-ios7.0 -target-abi darwinpcs -emit-llvm -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-DARWIN
   3 // RUN: %clang_cc1 -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-AAPCS:  define{{.*}} float @f0([2 x float] alignstack(8) %h.coerce)
  10 // CHECK-DARWIN: define{{.*}} float @f0([2 x float] %h.coerce)
  11 float f0(S0 h) {
  12   return h.v[0];
  13 }
  14
  15 // CHECK: define{{.*}} float @f0_call()
  16 // CHECK-AAPCS: %call = call float @f0([2 x float] alignstack(8) %0)
  17 // CHECK-DARWIN: %call = call float @f0([2 x float] %0)
  18 float f0_call(void) {
  19   S0 h = {1.0f, 2.0f};
  20   return f0(h);
  21 }
  22 typedef struct {
  23   double v[2];
  24 } S1;
  25 // CHECK-AAPCS: define{{.*}} double @f1([2 x double] alignstack(8) %h.coerce)
  26 // CHECK-DARWIN: define{{.*}} double @f1([2 x double] %h.coerce)
  27 double f1(S1 h) {
  28   return h.v[0];
  29 }
  30
  31 // CHECK: define{{.*}} double @f1_call()
  32 // CHECK-AAPCS: %call = call double @f1([2 x double] alignstack(8) %0
  33 // CHECK-DARWIN: %call = call double @f1([2 x double] %0
  34 double f1_call(void) {
  35   S1 h = {1.0, 2.0};
  36   return f1(h);
  37 }
  38 typedef struct {
  39   __attribute__((__aligned__(16))) double v[2];
  40 } S2;
  41
  42 // CHECK-AAPCS:  define{{.*}} double @f2([2 x double] alignstack(16) %h.coerce)
  43 // CHECK-DARWIN: define{{.*}} double @f2([2 x double] %h.coerce)
  44 double f2(S2 h) {
  45   return h.v[0];
  46 }
  47
  48 // CHECK: define{{.*}} double @f2_call()
  49 // CHECK-AAPCS:  %call = call double @f2([2 x double] alignstack(16) %0)
  50 // CHECK-DARWIN: %call = call double @f2([2 x double] %0
  51 double f2_call(void) {
  52   S2 h = {1.0, 2.0};
  53   return f2(h);
  54 }
  55
  56 typedef struct {
  57   __attribute__((__aligned__(32))) double v[4];
  58 } S3;
  59
  60 // CHECK-AAPCS:  define{{.*}} double @f3([4 x double] alignstack(16) %h.coerce)
  61 // CHECK-DARWIN: define{{.*}} double @f3([4 x double] %h.coerce)
  62 double f3(S3 h) {
  63   return h.v[0];
  64 }
  65
  66 // CHECK: define{{.*}} double @f3_call()
  67 // CHECK-AAPCS:  %call = call double @f3([4 x double] alignstack(16) %0)
  68 // CHECK-DARWIN: %call = call double @f3([4 x double] %0
  69 double f3_call(void) {
  70   S3 h = {1.0, 2.0};
  71   return f3(h);
  72 }