[llvm-commits] CVS: llvm/test/Regression/Transforms/InstCombine/bittest.ll

[Chris Lattner]

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

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

new testcase


---
Diffs of the changes:  (+29 -0)

 bittest.ll |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+)


Index: llvm/test/Regression/Transforms/InstCombine/bittest.ll
diff -c /dev/null llvm/test/Regression/Transforms/InstCombine/bittest.ll:1.1
*** /dev/null	Thu Feb  9 01:38:40 2006
--- llvm/test/Regression/Transforms/InstCombine/bittest.ll	Thu Feb  9 01:38:30 2006
***************
*** 0 ****
--- 1,29 ----
+ ; RUN: llvm-as < %s | opt -instcombine -simplifycfg -disable-output &&
+ ; RUN: llvm-as < %s | opt -instcombine -simplifycfg | llvm-dis | not grep 'call void %abort'
+ 
+ %b_rec.0 = external global int
+ 
+ void %_Z12h000007_testv(uint *%P) {
+ entry:
+         %tmp.2 = load int* %b_rec.0             ; <int> [#uses=1]
+         %tmp.9 = or int %tmp.2, -989855744              ; <int> [#uses=2]
+         %tmp.16 = and int %tmp.9, -805306369            ; <int> [#uses=2]
+         %tmp.17 = and int %tmp.9, -973078529            ; <int> [#uses=1]
+         store int %tmp.17, int* %b_rec.0
+         %tmp.17.shrunk = cast int %tmp.16 to uint               ; <uint> [#uses=1]
+         %tmp.22 = and uint %tmp.17.shrunk, 3221225472           ; <uint> [#uses=1]
+         %tmp.23 = seteq uint %tmp.22, 3221225472                ; <bool> [#uses=1]
+         br bool %tmp.23, label %endif.0, label %then.0
+ 
+ then.0:         ; preds = %entry
+         tail call void %abort( )
+         unreachable
+ 
+ endif.0:                ; preds = %entry
+         %tmp.17.shrunk2 = cast int %tmp.16 to uint              ; <uint> [#uses=1]
+         %tmp.27.mask = and uint %tmp.17.shrunk2, 100663295              ; <uint> [#uses=1]
+  	store uint %tmp.27.mask, uint* %P
+         ret void
+ }
+ 
+ declare void %abort()