diff options
| author | John McCall <rjmccall@apple.com> | 2011-01-20 07:57:12 +0000 |
|---|---|---|
| committer | John McCall <rjmccall@apple.com> | 2011-01-20 07:57:12 +0000 |
| commit | 4e81961a1e24aff155ef981f14ac84e2cd1f7de7 (patch) | |
| tree | f51b6aaae4c8bf1d280227e695fcc9e93adb9b10 /clang/test/CodeGen/packed-structure.c | |
| parent | 4dc72284b254925713e08f5cf8d992d28a4a6412 (diff) | |
| download | bcm5719-llvm-4e81961a1e24aff155ef981f14ac84e2cd1f7de7.tar.gz bcm5719-llvm-4e81961a1e24aff155ef981f14ac84e2cd1f7de7.zip | |
Fix the computation of alignment for fields of packed+aligned structs.
Part of the fix for PR8413.
llvm-svn: 123904
Diffstat (limited to 'clang/test/CodeGen/packed-structure.c')
| -rw-r--r-- | clang/test/CodeGen/packed-structure.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/clang/test/CodeGen/packed-structure.c b/clang/test/CodeGen/packed-structure.c index 2934d01d649..731a50bb077 100644 --- a/clang/test/CodeGen/packed-structure.c +++ b/clang/test/CodeGen/packed-structure.c @@ -87,3 +87,16 @@ int s2_load_y(struct s2 *a) { return a->y; } // CHECK-FUNCTIONS: define void @s2_copy // CHECK-FUNCTIONS: call void @llvm.memcpy.p0i8.p0i8.i64(i8* {{.*}}, i8* {{.*}}, i64 8, i32 2, i1 false) void s2_copy(struct s2 *a, struct s2 *b) { *b = *a; } + +struct __attribute__((packed, aligned)) s3 { + short aShort; + int anInt; +}; +// CHECK-GLOBAL: @s3_1 = global i32 2 +int s3_1 = __alignof(((struct s3*) 0)->anInt); +// CHECK-FUNCTIONS: define i32 @test3( +int test3(struct s3 *ptr) { + // CHECK-FUNCTIONS: [[PTR:%.*]] = getelementptr inbounds {{%.*}}* {{%.*}}, i32 0, i32 1 + // CHECK-FUNCTIONS-NEXT: load i32* [[PTR]], align 2 + return ptr->anInt; +} |
