1 files changed, 43 insertions, 0 deletions
diff --git a/test/CodeGen/X86/alignment.ll b/test/CodeGen/X86/alignment.ll
new file mode 100644
index 0000000000000..9678e6df740ed
--- /dev/null
+++ b/test/CodeGen/X86/alignment.ll
@@ -0,0 +1,43 @@
+; RUN: llc %s -o - -mtriple=x86_64-linux-gnu | FileCheck %s
+
+; This cannot get rounded up to the preferred alignment (16) if they have an
+; explicit alignment specified.
+@GlobalA = global { [384 x i8] } zeroinitializer, align 8 
+
+; CHECK:	.bss
+; CHECK:	.globl	GlobalA
+; CHECK:	.align	16
+; CHECK: GlobalA:
+; CHECK:	.zero	384
+
+; Common variables should not get rounded up to the preferred alignment (16) if
+; they have an explicit alignment specified.
+; PR6921
+@GlobalB = common global { [384 x i8] } zeroinitializer, align 8
+
+; CHECK: 	.comm	GlobalB,384,16
+
+
+@GlobalC = common global { [384 x i8] } zeroinitializer, align 2
+
+; CHECK: 	.comm	GlobalC,384,16
+
+
+
+; This cannot get rounded up to the preferred alignment (16) if they have an
+; explicit alignment specified *and* a section specified.
+@GlobalAS = global { [384 x i8] } zeroinitializer, align 8, section "foo"
+
+; CHECK:	.globl	GlobalAS
+; CHECK:	.align	8
+; CHECK: GlobalAS:
+; CHECK:	.zero	384
+
+; Common variables should not get rounded up to the preferred alignment (16) if
+; they have an explicit alignment specified and a section specified.
+; PR6921
+@GlobalBS = common global { [384 x i8] } zeroinitializer, align 8, section "foo"
+; CHECK: 	.comm	GlobalBS,384,8
+
+@GlobalCS = common global { [384 x i8] } zeroinitializer, align 2, section "foo"
+; CHECK: 	.comm	GlobalCS,384,2
+\ No newline at end of file