clang/test/CodeGen/X86/x86_32-arguments-iamcu.c

   1 // RUN: %clang_cc1 -w -triple i386-pc-elfiamcu -mfloat-abi soft -emit-llvm -o - %s | FileCheck %s
   2
   3 // CHECK-LABEL: define{{.*}} void @ints(i32 noundef %a, i32 noundef %b, i32 noundef %c, i32 noundef %d)
   4 void ints(int a, int b, int c, int d) {}
   5
   6 // CHECK-LABEL: define{{.*}} void @floats(float noundef %a, float noundef %b, float noundef %c, float noundef %d)
   7 void floats(float a, float b, float c, float d) {}
   8
   9 // CHECK-LABEL: define{{.*}} void @mixed(i32 noundef %a, float noundef %b, i32 noundef %c, float noundef %d)
  10 void mixed(int a, float b, int c, float d) {}
  11
  12 // CHECK-LABEL: define{{.*}} void @doubles(double noundef %d1, double noundef %d2)
  13 void doubles(double d1, double d2) {}
  14
  15 // CHECK-LABEL: define{{.*}} void @mixedDoubles(i32 noundef %a, double noundef %d1)
  16 void mixedDoubles(int a, double d1) {}
  17
  18 typedef struct st3_t {
  19   char a[3];
  20 } st3_t;
  21
  22 typedef struct st4_t {
  23   int a;
  24 } st4_t;
  25
  26 typedef struct st5_t {
  27   int a;
  28   char b;
  29 } st5_t;
  30
  31 typedef  struct st12_t {
  32   int a;
  33   int b;
  34   int c;
  35 } st12_t;
  36
  37 // CHECK-LABEL: define{{.*}} void @smallStructs(i32 %st1.coerce, i32 %st2.coerce, i32 %st3.coerce)
  38 void smallStructs(st4_t st1, st4_t st2, st4_t st3) {}
  39
  40 // CHECK-LABEL: define{{.*}} void @paddedStruct(i32 noundef %i1, i32 %st.coerce0, i32 %st.coerce1, i32 %st4.0)
  41 void paddedStruct(int i1, st5_t st, st4_t st4) {}
  42
  43 // CHECK-LABEL: define{{.*}} void @largeStructBegin(ptr noundef byval(%struct.st12_t) align 4 %st)
  44 void largeStructBegin(st12_t st) {}
  45
  46 // CHECK-LABEL: define{{.*}} void @largeStructMiddle(i32 noundef %i1, ptr noundef byval(%struct.st12_t) align 4 %st, i32 noundef %i2, i32 noundef %i3)
  47 void largeStructMiddle(int i1, st12_t st, int i2, int i3) {}
  48
  49 // CHECK-LABEL: define{{.*}} void @largeStructEnd(i32 noundef %i1, i32 noundef %i2, i32 noundef %i3, i32 %st.0, i32 %st.1, i32 %st.2)
  50 void largeStructEnd(int i1, int i2, int i3, st12_t st) {}
  51
  52 // CHECK-LABEL: define{{.*}} i24 @retNonPow2Struct(i32 %r.coerce)
  53 st3_t retNonPow2Struct(st3_t r) { return r; }
  54
  55 // CHECK-LABEL: define{{.*}} i32 @retSmallStruct(i32 %r.coerce)
  56 st4_t retSmallStruct(st4_t r) { return r; }
  57
  58 // CHECK-LABEL: define{{.*}} i64 @retPaddedStruct(i32 %r.coerce0, i32 %r.coerce1)
  59 st5_t retPaddedStruct(st5_t r) { return r; }
  60
  61 // CHECK-LABEL: define{{.*}} void @retLargeStruct(ptr dead_on_unwind noalias writable sret(%struct.st12_t) align 4 %agg.result, i32 noundef %i1, ptr noundef byval(%struct.st12_t) align 4 %r)
  62 st12_t retLargeStruct(int i1, st12_t r) { return r; }
  63
  64 // CHECK-LABEL: define{{.*}} i32 @varArgs(i32 noundef %i1, ...)
  65 int varArgs(int i1, ...) { return i1; }
  66
  67 // CHECK-LABEL: define{{.*}} double @longDoubleArg(double noundef %ld1)
  68 long double longDoubleArg(long double ld1) { return ld1; }
  69