[llvm-commits] CVS: llvm/test/Transforms/ScalarRepl/2007-05-29-MemcpyPreserve.ll

Chris Lattner sabre at nondot.org
Wed May 30 01:11:08 CDT 2007



Changes in directory llvm/test/Transforms/ScalarRepl:

2007-05-29-MemcpyPreserve.ll added (r1.1)
---
Log message:

Testcase for PR1421: http://llvm.org/PR1421 


---
Diffs of the changes:  (+23 -0)

 2007-05-29-MemcpyPreserve.ll |   23 +++++++++++++++++++++++
 1 files changed, 23 insertions(+)


Index: llvm/test/Transforms/ScalarRepl/2007-05-29-MemcpyPreserve.ll
diff -c /dev/null llvm/test/Transforms/ScalarRepl/2007-05-29-MemcpyPreserve.ll:1.1
*** /dev/null	Wed May 30 01:10:56 2007
--- llvm/test/Transforms/ScalarRepl/2007-05-29-MemcpyPreserve.ll	Wed May 30 01:10:46 2007
***************
*** 0 ****
--- 1,23 ----
+ ; RUN: llvm-as < %s | opt -scalarrepl | llvm-dis | grep memcpy
+ ; PR1421
+ 
+ target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64"
+ target triple = "i686-apple-darwin8"
+ 	%struct.LongestMember = type { i8, i32 }
+ 	%struct.MyString = type { i32 }
+ 	%struct.UnionType = type { %struct.LongestMember }
+ 
+ define void @_Z4testP9UnionTypePS0_(%struct.UnionType* %p, %struct.UnionType** %pointerToUnion) {
+ entry:
+ 	%tmp = alloca %struct.UnionType, align 8		; <%struct.UnionType*> [#uses=2]
+ 	%tmp2 = getelementptr %struct.UnionType* %tmp, i32 0, i32 0, i32 0		; <i8*> [#uses=1]
+ 	%tmp13 = getelementptr %struct.UnionType* %p, i32 0, i32 0, i32 0		; <i8*> [#uses=1]
+ 	call void @llvm.memcpy.i32( i8* %tmp2, i8* %tmp13, i32 8, i32 0 )
+ 	%tmp5 = load %struct.UnionType** %pointerToUnion		; <%struct.UnionType*> [#uses=1]
+ 	%tmp56 = getelementptr %struct.UnionType* %tmp5, i32 0, i32 0, i32 0		; <i8*> [#uses=1]
+ 	%tmp7 = getelementptr %struct.UnionType* %tmp, i32 0, i32 0, i32 0		; <i8*> [#uses=1]
+ 	call void @llvm.memcpy.i32( i8* %tmp56, i8* %tmp7, i32 8, i32 0 )
+ 	ret void
+ }
+ 
+ declare void @llvm.memcpy.i32(i8*, i8*, i32, i32)






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