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Add a test case for Chris lvalue alignment fixes.
author
Evan Cheng
<evan.cheng@apple.com>
Thu, 29 Jan 2009 08:59:46 +0000
(08:59 +0000)
committer
Evan Cheng
<evan.cheng@apple.com>
Thu, 29 Jan 2009 08:59:46 +0000
(08:59 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63300
91177308
-0d34-0410-b5e6-
96231b3b80d8
test/FrontendC/union-align.c
[new file with mode: 0644]
patch
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blob
diff --git a/test/FrontendC/union-align.c
b/test/FrontendC/union-align.c
new file mode 100644
(file)
index 0000000..
f99a760
--- /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;
+}