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authorEvan Cheng <evan.cheng@apple.com>2007-10-22 22:11:27 +0000
committerEvan Cheng <evan.cheng@apple.com>2007-10-22 22:11:27 +0000
commit4102eb57bbeecbbf5b5b5122ed1ecd4cd5487878 (patch)
tree6e5fa21a413cd28b0c0076a1d5b083d800be6365 /test/CodeGen/ARM/memcpy-inline.ll
parentac72058dd6afcb41ddf8b19c4ec2093999b34282 (diff)
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Fix memcpy lowering when addresses are 4-byte aligned but size is not multiple of 4.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43234 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/ARM/memcpy-inline.ll')
-rw-r--r--test/CodeGen/ARM/memcpy-inline.ll15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/CodeGen/ARM/memcpy-inline.ll b/test/CodeGen/ARM/memcpy-inline.ll
new file mode 100644
index 0000000000..665d3acd89
--- /dev/null
+++ b/test/CodeGen/ARM/memcpy-inline.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | llc -mtriple=arm-apple-darwin | grep ldmia
+; RUN: llvm-as < %s | llc -mtriple=arm-apple-darwin | grep ldrb
+; RUN: llvm-as < %s | llc -mtriple=arm-apple-darwin | grep ldrh
+
+ %struct.x = type { i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8 }
+@src = external global %struct.x
+@dst = external global %struct.x
+
+define i32 @t() {
+entry:
+ call void @llvm.memcpy.i32( i8* getelementptr (%struct.x* @dst, i32 0, i32 0), i8* getelementptr (%struct.x* @src, i32 0, i32 0), i32 11, i32 8 )
+ ret i32 0
+}
+
+declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)