[llvm-commits] CVS: llvm/test/Regression/Transforms/Reassociate/shifttest.ll
Chris Lattner
lattner at cs.uiuc.edu
Fri May 6 21:23:43 PDT 2005
Changes in directory llvm/test/Regression/Transforms/Reassociate:
shifttest.ll added (r1.1)
---
Log message:
test that reassociate can handle shifts
---
Diffs of the changes: (+10 -0)
shifttest.ll | 10 ++++++++++
1 files changed, 10 insertions(+)
Index: llvm/test/Regression/Transforms/Reassociate/shifttest.ll
diff -c /dev/null llvm/test/Regression/Transforms/Reassociate/shifttest.ll:1.1
*** /dev/null Fri May 6 23:23:40 2005
--- llvm/test/Regression/Transforms/Reassociate/shifttest.ll Fri May 6 23:23:29 2005
***************
*** 0 ****
--- 1,10 ----
+ ; With shl->mul reassociation, we can see that this is (shl A, 9) * A
+ ;
+ ; RUN: llvm-as < %s | opt -reassociate -instcombine | llvm-dis | grep 'shl .*, ubyte 9'
+
+ int %test(int %A, int %B) {
+ %X = shl int %A, ubyte 5
+ %Y = shl int %A, ubyte 4
+ %Z = mul int %Y, %X
+ ret int %Z
+ }
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