[llvm-commits] CVS: llvm-poolalloc/Regressions/2006-02-23.memcpy.ll

[Andrew Lenharth]

Changes in directory llvm-poolalloc/Regressions:

2006-02-23.memcpy.ll added (r1.1)
---
Log message:

reduction from bzip2

---
Diffs of the changes:  (+35 -0)

 2006-02-23.memcpy.ll |   35 +++++++++++++++++++++++++++++++++++
 1 files changed, 35 insertions(+)


Index: llvm-poolalloc/Regressions/2006-02-23.memcpy.ll
diff -c /dev/null llvm-poolalloc/Regressions/2006-02-23.memcpy.ll:1.1
*** /dev/null	Thu Feb 23 21:20:14 2006
--- llvm-poolalloc/Regressions/2006-02-23.memcpy.ll	Thu Feb 23 21:20:04 2006
***************
*** 0 ****
--- 1,35 ----
+ ; pointer compression tries to turn the llvm.memcpy into llvm.memcpy_pc
+ ; this is of course bad.  It should materialize the pointers.
+ target endian = little
+ target pointersize = 64
+ target triple = "alphaev6-unknown-linux-gnu"
+ deplibs = [ "c", "crtend" ]
+ 	%struct.spec_fd_t = type { int, int, int, ubyte* }
+ %spec_fd = external global [3 x %struct.spec_fd_t]		; <[3 x %struct.spec_fd_t]*> [#uses=2]
+ 
+ implementation   ; Functions:
+ 
+ declare void %llvm.memcpy(sbyte*, sbyte*, ulong, uint)
+ 
+ void %main() {
+ entry:
+ 	br bool false, label %no_exit.0.i161, label %endif.0
+ 
+ endif.0:		; preds = %entry
+ 	ret void
+ 
+ no_exit.0.i161:		; preds = %entry
+ 	%tmp.25.i = getelementptr [3 x %struct.spec_fd_t]* %spec_fd, long 0, int 0, uint 3		; <ubyte**> [#uses=1]
+ 	%tmp.26.i = malloc ubyte, uint 0		; <ubyte*> [#uses=1]
+ 	store ubyte* %tmp.26.i, ubyte** %tmp.25.i
+ 	br bool false, label %no_exit.1.i, label %then.4
+ 
+ no_exit.1.i:		; preds = %no_exit.0.i161
+ 	%tmp.103.i = load ubyte** getelementptr ([3 x %struct.spec_fd_t]* %spec_fd, long 0, int 0, uint 3)		; <ubyte*> [#uses=1]
+ 	%tmp.118.i = cast ubyte* %tmp.103.i to sbyte*		; <sbyte*> [#uses=1]
+ 	tail call void %llvm.memcpy( sbyte* null, sbyte* %tmp.118.i, ulong 0, uint 1 )
+ 	ret void
+ 
+ then.4:		; preds = %no_exit.0.i161
+ 	ret void
+ }