clang/test/CodeGen/PowerPC/ppc32-and-aix-struct-return.c

   1 // REQUIRES: powerpc-registered-target
   2 // RUN: %clang_cc1 -triple powerpc-unknown-freebsd \
   3 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-SVR4
   4 // RUN: %clang_cc1 -triple powerpcle-unknown-freebsd \
   5 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-SVR4
   6 // RUN: %clang_cc1 -triple powerpc-unknown-aix \
   7 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-AIX
   8 // RUN: %clang_cc1 -triple powerpc64-unknown-aix \
   9 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-AIX
  10 // RUN: %clang_cc1 -triple powerpc-unknown-linux \
  11 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-AIX
  12 // RUN: %clang_cc1 -triple powerpc-unknown-linux -maix-struct-return \
  13 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-AIX
  14 // RUN: %clang_cc1 -triple powerpc-unknown-linux -msvr4-struct-return \
  15 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-SVR4
  16 // RUN: %clang_cc1 -triple powerpcle-unknown-linux \
  17 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-AIX
  18 // RUN: %clang_cc1 -triple powerpcle-unknown-linux -maix-struct-return \
  19 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-AIX
  20 // RUN: %clang_cc1 -triple powerpcle-unknown-linux -msvr4-struct-return \
  21 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-SVR4
  22 // RUN: %clang_cc1 -triple powerpc-unknown-netbsd \
  23 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-SVR4
  24 // RUN: %clang_cc1 -triple powerpc-unknown-openbsd \
  25 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-SVR4
  26 // RUN: %clang_cc1 -triple powerpc-unknown-openbsd -maix-struct-return \
  27 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-AIX
  28 // RUN: %clang_cc1 -triple powerpc-unknown-openbsd -msvr4-struct-return \
  29 // RUN:   -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-SVR4
  30
  31 typedef struct {
  32 } Zero;
  33 typedef struct {
  34   char c;
  35 } One;
  36 typedef struct {
  37   short s;
  38 } Two;
  39 typedef struct {
  40   char c[3];
  41 } Three;
  42 typedef struct {
  43   float f;
  44 } Four; // svr4 to return i32, not float
  45 typedef struct {
  46   char c[5];
  47 } Five;
  48 typedef struct {
  49   short s[3];
  50 } Six;
  51 typedef struct {
  52   char c[7];
  53 } Seven;
  54 typedef struct {
  55   int i;
  56   char c;
  57 } Eight; // padded for alignment
  58 typedef struct {
  59   char c[9];
  60 } Nine;
  61
  62 // CHECK-AIX-LABEL:  define{{.*}} void @ret0(ptr noalias sret(%struct.Zero) {{[^,]*}})
  63 // CHECK-SVR4-LABEL: define{{.*}} void @ret0()
  64 Zero ret0(void) { return (Zero){}; }
  65
  66 // CHECK-AIX-LABEL:  define{{.*}} void @ret1(ptr noalias sret(%struct.One) {{[^,]*}})
  67 // CHECK-SVR4-LABEL: define{{.*}} i8 @ret1()
  68 One ret1(void) { return (One){'a'}; }
  69
  70 // CHECK-AIX-LABEL:  define{{.*}} void @ret2(ptr noalias sret(%struct.Two) {{[^,]*}})
  71 // CHECK-SVR4-LABEL: define{{.*}} i16 @ret2()
  72 Two ret2(void) { return (Two){123}; }
  73
  74 // CHECK-AIX-LABEL:  define{{.*}} void @ret3(ptr noalias sret(%struct.Three) {{[^,]*}})
  75 // CHECK-SVR4-LABEL: define{{.*}} i24 @ret3()
  76 Three ret3(void) { return (Three){"abc"}; }
  77
  78 // CHECK-AIX-LABEL:  define{{.*}} void @ret4(ptr noalias sret(%struct.Four) {{[^,]*}})
  79 // CHECK-SVR4-LABEL: define{{.*}} i32 @ret4()
  80 Four ret4(void) { return (Four){0.4}; }
  81
  82 // CHECK-AIX-LABEL:  define{{.*}} void @ret5(ptr noalias sret(%struct.Five) {{[^,]*}})
  83 // CHECK-SVR4-LABEL: define{{.*}} i40 @ret5()
  84 Five ret5(void) { return (Five){"abcde"}; }
  85
  86 // CHECK-AIX-LABEL:  define{{.*}} void @ret6(ptr noalias sret(%struct.Six) {{[^,]*}})
  87 // CHECK-SVR4-LABEL: define{{.*}} i48 @ret6()
  88 Six ret6(void) { return (Six){12, 34, 56}; }
  89
  90 // CHECK-AIX-LABEL:  define{{.*}} void @ret7(ptr noalias sret(%struct.Seven) {{[^,]*}})
  91 // CHECK-SVR4-LABEL: define{{.*}} i56 @ret7()
  92 Seven ret7(void) { return (Seven){"abcdefg"}; }
  93
  94 // CHECK-AIX-LABEL:  define{{.*}} void @ret8(ptr noalias sret(%struct.Eight) {{[^,]*}})
  95 // CHECK-SVR4-LABEL: define{{.*}} i64 @ret8()
  96 Eight ret8(void) { return (Eight){123, 'a'}; }
  97
  98 // CHECK-AIX-LABEL:  define{{.*}} void @ret9(ptr noalias sret(%struct.Nine) {{[^,]*}})
  99 // CHECK-SVR4-LABEL: define{{.*}} void @ret9(ptr noalias sret(%struct.Nine) {{[^,]*}})
 100 Nine ret9(void) { return (Nine){"abcdefghi"}; }