1 // RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o %t -O3 2 // RUN: grep "ret i32" %t | count 4 3 // RUN: grep "ret i32 1" %t | count 4 4 5 static int f0(int n) { 6 struct s0 { 7 int a : 30; 8 int b : 2; 9 long long c : 31; 10 } x = { 0xdeadbeef, 0xdeadbeef, 0xdeadbeef }; 11 12 x.a += n; 13 x.b += n; 14 x.c += n; 15 16 return x.a + x.b + x.c; 17 } 18 19 int g0(void) { 20 return f0(-1) + 44335655; 21 } 22 23 static int f1(void) { 24 struct s1 { 25 int a:13; 26 char b; 27 unsigned short c:7; 28 } x; 29 30 x.a = -40; 31 x.b = 10; 32 x.c = 15; 33 34 return x.a + x.b + x.c; 35 } 36 37 int g1(void) { 38 return f1() + 16; 39 } 40 41 static int f2(void) { 42 struct s2 { 43 short a[3]; 44 int b : 15; 45 } x; 46 47 x.a[0] = x.a[1] = x.a[2] = -40; 48 x.b = 10; 49 50 return x.b; 51 } 52 53 int g2(void) { 54 return f2() - 9; 55 } 56 57 static int f3(int n) { 58 struct s3 { 59 unsigned a:16; 60 unsigned b:28 __attribute__ ((packed)); 61 } x = { 0xdeadbeef, 0xdeadbeef }; 62 struct s4 { 63 signed a:16; 64 signed b:28 __attribute__ ((packed)); 65 } y; 66 y.a = -0x56789abcL; 67 y.b = -0x56789abcL; 68 return ((y.a += x.a += n) + 69 (y.b += x.b += n)); 70 } 71 72 int g3(void) { 73 return f3(20) + 130725747; 74 } 75
