YouCompleteMe/cpp/llvm/tools/clang/test/CodeGen/bitfield.c
Strahinja Val Markovic 1f51a89d39 Adding more llvm/clang files
These were ignored by git accidentally. We want ALL OF THEM since they all came
in the llvm/clang source distribution.
2012-07-05 17:55:45 -07:00

75 lines
1.1 KiB
C

// RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o %t -O3
// RUN: grep "ret i32" %t | count 4
// RUN: grep "ret i32 1" %t | count 4
static int f0(int n) {
struct s0 {
int a : 30;
int b : 2;
long long c : 31;
} x = { 0xdeadbeef, 0xdeadbeef, 0xdeadbeef };
x.a += n;
x.b += n;
x.c += n;
return x.a + x.b + x.c;
}
int g0(void) {
return f0(-1) + 44335655;
}
static int f1(void) {
struct s1 {
int a:13;
char b;
unsigned short c:7;
} x;
x.a = -40;
x.b = 10;
x.c = 15;
return x.a + x.b + x.c;
}
int g1(void) {
return f1() + 16;
}
static int f2(void) {
struct s2 {
short a[3];
int b : 15;
} x;
x.a[0] = x.a[1] = x.a[2] = -40;
x.b = 10;
return x.b;
}
int g2(void) {
return f2() - 9;
}
static int f3(int n) {
struct s3 {
unsigned a:16;
unsigned b:28 __attribute__ ((packed));
} x = { 0xdeadbeef, 0xdeadbeef };
struct s4 {
signed a:16;
signed b:28 __attribute__ ((packed));
} y;
y.a = -0x56789abcL;
y.b = -0x56789abcL;
return ((y.a += x.a += n) +
(y.b += x.b += n));
}
int g3(void) {
return f3(20) + 130725747;
}