[llvm-commits] CVS: llvm/test/Regression/Transforms/InstCombine/bittest.ll
Chris Lattner
lattner at cs.uiuc.edu
Wed Feb 8 23:38:42 PST 2006
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()
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