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

   1 // RUN: %clang_cc1 -w -fblocks -triple i386-pc-linux-gnu -target-cpu pentium4 -emit-llvm -o %t %s
   2 // RUN: FileCheck < %t %s
   3
   4 // CHECK-LABEL: define{{.*}} void @f56(
   5 // CHECK: i8 noundef signext %a0, ptr noundef byval(%struct.s56_0) align 4 %a1,
   6 // CHECK: i64 noundef %a2.coerce, ptr noundef byval(%struct.s56_1) align 4 %0,
   7 // CHECK: <1 x double> noundef %a4, ptr noundef byval(%struct.s56_2) align 4 %1,
   8 // CHECK: <4 x i32> noundef %a6, ptr noundef byval(%struct.s56_3) align 4 %2,
   9 // CHECK: <2 x double> noundef %a8, ptr noundef byval(%struct.s56_4) align 4 %3,
  10 // CHECK: <8 x i32> noundef %a10, ptr noundef byval(%struct.s56_5) align 4 %4,
  11 // CHECK: <4 x double> noundef %a12, ptr noundef byval(%struct.s56_6) align 4 %5)
  12
  13 // CHECK: call void (i32, ...) @f56_0(i32 noundef 1,
  14 // CHECK: i32 noundef %{{.*}}, ptr noundef byval(%struct.s56_0) align 4 %{{[^ ]*}},
  15 // CHECK: i64 noundef %{{[^ ]*}}, ptr noundef byval(%struct.s56_1) align 4 %{{[^ ]*}},
  16 // CHECK: <1 x double> noundef %{{[^ ]*}}, ptr noundef byval(%struct.s56_2) align 4 %{{[^ ]*}},
  17 // CHECK: <4 x i32> noundef %{{[^ ]*}}, ptr noundef byval(%struct.s56_3) align 4 %{{[^ ]*}},
  18 // CHECK: <2 x double> noundef %{{[^ ]*}}, ptr noundef byval(%struct.s56_4) align 4 %{{[^ ]*}},
  19 // CHECK: <8 x i32> noundef %{{[^ ]*}}, ptr noundef byval(%struct.s56_5) align 4 %{{[^ ]*}},
  20 // CHECK: <4 x double> noundef %{{[^ ]*}}, ptr noundef byval(%struct.s56_6) align 4 %{{[^ ]*}})
  21 // CHECK: }
  22 //
  23 // [i386] clang misaligns long double in structures when passed byval
  24 // clang misaligns parameters on stack
  25 typedef int __attribute__((vector_size (8))) t56_v2i;
  26 typedef double __attribute__((vector_size (8))) t56_v1d;
  27 typedef int __attribute__((vector_size (16))) t56_v4i;
  28 typedef double __attribute__((vector_size (16))) t56_v2d;
  29 typedef int __attribute__((vector_size (32))) t56_v8i;
  30 typedef double __attribute__((vector_size (32))) t56_v4d;
  31
  32 struct s56_0 { char a; };
  33 struct s56_1 { t56_v2i a; };
  34 struct s56_2 { t56_v1d a; };
  35 struct s56_3 { t56_v4i a; };
  36 struct s56_4 { t56_v2d a; };
  37 struct s56_5 { t56_v8i a; };
  38 struct s56_6 { t56_v4d a; };
  39
  40 void f56(char a0, struct s56_0 a1,
  41          t56_v2i a2, struct s56_1 a3,
  42          t56_v1d a4, struct s56_2 a5,
  43          t56_v4i a6, struct s56_3 a7,
  44          t56_v2d a8, struct s56_4 a9,
  45          t56_v8i a10, struct s56_5 a11,
  46          t56_v4d a12, struct s56_6 a13) {
  47   extern void f56_0(int x, ...);
  48   f56_0(1, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9,
  49         a10, a11, a12, a13);
  50 }