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authorCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
committerCarlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au>2012-10-15 17:10:06 +1100
commitbe1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch)
tree1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CodeGenCXX/alloca-align.cpp
parentc4626a62754862d20b41e8a46a3574264ea80e6d (diff)
parentf1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff)
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CodeGenCXX/alloca-align.cpp')
-rw-r--r--clang/test/CodeGenCXX/alloca-align.cpp28
1 files changed, 28 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/alloca-align.cpp b/clang/test/CodeGenCXX/alloca-align.cpp
new file mode 100644
index 0000000..99d6ab5
--- /dev/null
+++ b/clang/test/CodeGenCXX/alloca-align.cpp
@@ -0,0 +1,28 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
+
+struct s0 {
+ int Start, End;
+ unsigned Alignment;
+ int TheStores __attribute__((aligned(16)));
+};
+
+// CHECK: define void @f0
+// CHECK: alloca %struct.s0, align 16
+extern "C" void f0() {
+ (void) s0();
+}
+
+// CHECK: define void @f1
+// CHECK: alloca %struct.s0, align 16
+extern "C" void f1() {
+ (void) (struct s0) { 0, 0, 0, 0 };
+}
+
+// CHECK: define i32 @f2
+// CHECK: alloca %struct.s1, align 2
+struct s1 { short x; short y; };
+extern "C" struct s1 f2(int a, struct s1 *x, struct s1 *y) {
+ if (a)
+ return *x;
+ return *y;
+}