diff options
author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
---|---|---|
committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CodeGen/struct.c | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CodeGen/struct.c')
-rw-r--r-- | clang/test/CodeGen/struct.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/clang/test/CodeGen/struct.c b/clang/test/CodeGen/struct.c new file mode 100644 index 0000000..e173931 --- /dev/null +++ b/clang/test/CodeGen/struct.c @@ -0,0 +1,196 @@ +// RUN: %clang_cc1 -triple i386-unknown-unknown %s -emit-llvm -o - + +struct { + int x; + int y; +} point; + +void fn1() { + point.x = 42; +} + +/* Nested member */ +struct { + struct { + int a; + int b; + } p1; +} point2; + +void fn2() { + point2.p1.a = 42; +} + +/* Indirect reference */ +typedef struct __sf { + unsigned char *c; + short flags; +} F; + +typedef struct __sf2 { + F *ff; +} F2; + +int fn3(F2 *c) { + if (c->ff->c >= 0) + return 1; + else + return 0; +} + +/* Nested structs */ +typedef struct NA { + int data; + struct NA *next; +} NA; +void f1() { NA a; } + +typedef struct NB { + int d1; + struct _B2 { + int d2; + struct NB *n2; + } B2; +} NB; + +void f2() { NB b; } + +extern NB *f3(); +void f4() { + f3()->d1 = 42; +} + +void f5() { + (f3())->d1 = 42; +} + +/* Function calls */ +typedef struct { + int location; + int length; +} range; +extern range f6(); +void f7() { + range r = f6(); +} + +/* Member expressions */ +typedef struct { + range range1; + range range2; +} rangepair; + +void f8() { + rangepair p; + + range r = p.range1; +} + +void f9(range *p) { + range r = *p; +} + +void f10(range *p) { + range r = p[0]; +} + +/* _Bool types */ + +struct _w { + short a,b; + short c,d; + short e,f; + short g; + + unsigned int h,i; + + _Bool j,k; +} ws; + +/* Implicit casts (due to typedefs) */ +typedef struct _a { + int a; +} a; + +void f11() { + struct _a a1; + a a2; + + a1 = a2; + a2 = a1; +} + +/* Implicit casts (due to const) */ +void f12() { + struct _a a1; + const struct _a a2; + + a1 = a2; +} + +/* struct initialization */ +struct a13 {int b; int c;}; +struct a13 c13 = {5}; +typedef struct a13 a13; +struct a14 { short a; int b; } x = {1, 1}; + +/* flexible array members */ +struct a15 {char a; int b[];} c15; +int a16(void) {c15.a = 1;} + +/* compound literals */ +void f13() { + a13 x; x = (a13){1,2}; +} + +/* va_arg */ +int f14(int i, ...) { + __builtin_va_list l; + __builtin_va_start(l,i); + a13 b = __builtin_va_arg(l, a13); + int c = __builtin_va_arg(l, a13).c; + return b.b; +} + +/* Attribute packed */ +struct __attribute__((packed)) S2839 { double a[19]; signed char b; } s2839[5]; + +struct __attribute__((packed)) SS { long double a; char b; } SS; + + +/* As lvalue */ + +int f15() { + extern range f15_ext(); + return f15_ext().location; +} + +range f16() { + extern rangepair f16_ext(); + return f16_ext().range1; +} + +int f17() { + extern range f17_ext(); + range r; + return (r = f17_ext()).location; +} + +range f18() { + extern rangepair f18_ext(); + rangepair rp; + return (rp = f18_ext()).range1; +} + + + +// Complex forward reference of struct. +struct f19S; +extern struct f19T { + struct f19S (*p)(void); +} t; +struct f19S { int i; }; +void f19(void) { + t.p(); +} + |