1 // RUN: %clang_cc1 -triple x86_64-unknown-nacl -emit-llvm -o - %s| FileCheck %s
3 // Test for x86-64 structure representation (instead of pnacl representation),
4 // in particular for unions. Also crib a few tests from x86 Linux.
15 union PP_VarValue value;
18 // CHECK: define { i64, i64 } @f0()
20 struct PP_Var result = { 0, 0, 0 };
24 // CHECK-LABEL: define void @f1(i64 %p1.coerce0, i64 %p1.coerce1)
25 void f1(struct PP_Var p1) { while(1) {} }
27 // long doubles are 64 bits on NaCl
28 // CHECK-LABEL: define double @f5()
29 long double f5(void) {
33 // CHECK-LABEL: define void @f6(i8 signext %a0, i16 signext %a1, i32 %a2, i64 %a3, i8* %a4)
34 void f6(char a0, short a1, int a2, long long a3, void *a4) {
37 // CHECK-LABEL: define i64 @f8_1()
38 // CHECK-LABEL: define void @f8_2(i64 %a0.coerce)
43 union u8 f8_1() { while (1) {} }
44 void f8_2(union u8 a0) {}
46 // CHECK-LABEL: define i64 @f9()
47 struct s9 { int a; int b; int : 0; } f9(void) { while (1) {} }
49 // CHECK-LABEL: define void @f10(i64 %a0.coerce)
50 struct s10 { int a; int b; int : 0; };
51 void f10(struct s10 a0) {}
53 // CHECK-LABEL: define double @f11()
54 union { long double a; float b; } f11() { while (1) {} }
56 // CHECK-LABEL: define i32 @f12_0()
57 // CHECK-LABEL: define void @f12_1(i32 %a0.coerce)
58 struct s12 { int a __attribute__((aligned(16))); };
59 struct s12 f12_0(void) { while (1) {} }
60 void f12_1(struct s12 a0) {}
62 // Check that sret parameter is accounted for when checking available integer
64 // CHECK: define void @f13(%struct.s13_0* noalias sret %agg.result, i32 %a, i32 %b, i32 %c, i32 %d, {{.*}}* byval align 8 %e, i32 %f)
66 struct s13_0 { long long f0[3]; };
67 struct s13_1 { long long f0[2]; };
68 struct s13_0 f13(int a, int b, int c, int d,
69 struct s13_1 e, int f) { while (1) {} }
71 // CHECK-LABEL: define void @f20(%struct.s20* byval align 32 %x)
72 struct __attribute__((aligned(32))) s20 {
76 void f20(struct s20 x) {}
79 // CHECK: declare void @func(i64)