From 6db3612cc602b2bfada53d2057038b660523a3eb Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Thu, 29 Jan 2009 08:59:46 +0000 Subject: [PATCH] Add a test case for Chris lvalue alignment fixes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63300 91177308-0d34-0410-b5e6-96231b3b80d8 --- test/FrontendC/union-align.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 test/FrontendC/union-align.c diff --git a/test/FrontendC/union-align.c b/test/FrontendC/union-align.c new file mode 100644 index 00000000000..f99a7608056 --- /dev/null +++ b/test/FrontendC/union-align.c @@ -0,0 +1,17 @@ +// RUN: %llvmgcc -S %s -o - | grep load | grep "4 x float" | not grep "align 4" +// RUN: %llvmgcc -S %s -o - | grep load | grep "4 x float" | grep "align 16" +// PR3432 +// rdar://6536377 + +typedef float __m128 __attribute__ ((__vector_size__ (16))); + +typedef union +{ + int i[4]; + float f[4]; + __m128 v; +} u_t; + +__m128 t(u_t *a) { + return a->v; +}