[llvm-commits] CVS: llvm/test/Regression/Transforms/LoopStrengthReduce/share_ivs.ll

[Chris Lattner]

Changes in directory llvm/test/Regression/Transforms/LoopStrengthReduce:

share_ivs.ll added (r1.1)
---
Log message:

new testcase, not implemented yet



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Diffs of the changes:  (+26 -0)

 share_ivs.ll |   26 ++++++++++++++++++++++++++
 1 files changed, 26 insertions(+)


Index: llvm/test/Regression/Transforms/LoopStrengthReduce/share_ivs.ll
diff -c /dev/null llvm/test/Regression/Transforms/LoopStrengthReduce/share_ivs.ll:1.1
*** /dev/null	Mon Aug  8 01:23:57 2005
--- llvm/test/Regression/Transforms/LoopStrengthReduce/share_ivs.ll	Mon Aug  8 01:23:47 2005
***************
*** 0 ****
--- 1,26 ----
+ ; RUN: llvm-as < %s | opt -loop-reduce | llvm-dis | grep phi | wc -l | grep 1
+ 
+ ; This testcase should have ONE stride 18 indvar, the other use should have a
+ ; loop invariant value (B) added to it inside of the loop, instead of having
+ ; a whole indvar based on B for it.
+ 
+ ; XFAIL: *
+ 
+ declare bool %cond(uint)
+ 
+ void %test(uint %B) {
+ 	br label %Loop
+ Loop:
+ 	%IV = phi uint [0, %0], [%IVn, %Loop]
+ 
+ 	%C = mul uint %IV, 18
+ 	%D = mul uint %IV, 18
+ 	%E = add uint %D, %B
+ 
+ 	%cnd = call bool %cond(uint %E)
+ 	call bool %cond(uint %C)
+ 	%IVn = add uint %IV, 1
+ 	br bool %cnd, label %Loop, label %Out
+ Out:
+ 	ret void
+ }