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author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
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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/global-init.c | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CodeGen/global-init.c')
-rw-r--r-- | clang/test/CodeGen/global-init.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/clang/test/CodeGen/global-init.c b/clang/test/CodeGen/global-init.c new file mode 100644 index 0000000..dab5a07 --- /dev/null +++ b/clang/test/CodeGen/global-init.c @@ -0,0 +1,52 @@ +// RUN: %clang_cc1 -emit-llvm -o - -triple i386-linux-gnu %s | FileCheck %s + +// This checks that the global won't be marked as common. +// (It shouldn't because it's being initialized). + +int a; +int a = 242; +// CHECK: @a = global i32 242 + +// This should get normal weak linkage. +int c __attribute__((weak))= 0; +// CHECK: @c = weak global i32 0 + + +// Since this is marked const, it should get weak_odr linkage, since all +// definitions have to be the same. +// CHECK: @d = weak_odr constant i32 0 +const int d __attribute__((weak))= 0; + +// PR6168 "too many undefs" +struct ManyFields { + int a; + int b; + int c; + char d; + int e; + int f; +}; + +// CHECK: global %struct.ManyFields { i32 1, i32 2, i32 0, i8 0, i32 0, i32 0 } +struct ManyFields FewInits = {1, 2}; + + +// PR6766 +// CHECK: @l = global %struct.K { [6 x i32] [i32 102, i32 111, i32 111, i32 0, i32 0, i32 0], i32 1 } +typedef __WCHAR_TYPE__ wchar_t; +struct K { + wchar_t L[6]; + int M; +} l = { { L"foo" }, 1 }; + + +// CHECK: @yuv_types = global [4 x [6 x i8]] {{\[}}[6 x i8] c"4:0:0\00", [6 x i8] c"4:2:0\00", [6 x i8] c"4:2:2\00", [6 x i8] c"4:4:4\00"] +char yuv_types[4][6]= {"4:0:0","4:2:0","4:2:2","4:4:4"}; + + +// NOTE: tentative definitions are processed at the end of the translation unit. + +// This shouldn't be emitted as common because it has an explicit section. +// rdar://7119244 +// CHECK: @b = global i32 0, section "foo" +int b __attribute__((section("foo"))); |