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| author | Eli Friedman <eli.friedman@gmail.com> | 2012-06-27 21:19:48 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2012-06-27 21:19:48 +0000 |
| commit | c24e2fb1fb7e688205e0ed5be8082a467a9353f9 (patch) | |
| tree | 4181abf9483699d62c793001fc6f4b5b18f30e0e /clang/test/CodeGen | |
| parent | 090f345522359e8469ddca2d905918f8c6691e44 (diff) | |
| download | bcm5719-llvm-c24e2fb1fb7e688205e0ed5be8082a467a9353f9.tar.gz bcm5719-llvm-c24e2fb1fb7e688205e0ed5be8082a467a9353f9.zip | |
Propagate lvalue alignment into bitfields. Per report on cfe-dev.
llvm-svn: 159295
Diffstat (limited to 'clang/test/CodeGen')
| -rw-r--r-- | clang/test/CodeGen/packed-nest-unpacked.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/clang/test/CodeGen/packed-nest-unpacked.c b/clang/test/CodeGen/packed-nest-unpacked.c index 0ccc0c41b7e..6097e3f32ea 100644 --- a/clang/test/CodeGen/packed-nest-unpacked.c +++ b/clang/test/CodeGen/packed-nest-unpacked.c @@ -45,3 +45,21 @@ void test6() { // CHECK: call void @llvm.memcpy.p0i8.p0i8.i64(i8* bitcast (%struct.X* getelementptr inbounds (%struct.Y* @g, i32 0, i32 1) to i8*), i8* %{{.*}}, i64 24, i32 1, i1 false) g.y = foo(); } + + +struct XBitfield { + unsigned b1 : 10; + unsigned b2 : 12; + unsigned b3 : 10; +}; +struct YBitfield { + char x; + struct XBitfield y; +} __attribute((packed)); +struct YBitfield gbitfield; + +unsigned test7() { + // CHECK: @test7 + // CHECK: load i32* bitcast (%struct.XBitfield* getelementptr inbounds (%struct.YBitfield* @gbitfield, i32 0, i32 1) to i32*), align 1 + return gbitfield.y.b2; +} |
