[llvm-commits] CVS: llvm/test/Regression/CodeGen/X86/and-or-fold.ll

[Chris Lattner]

Changes in directory llvm/test/Regression/CodeGen/X86:

and-or-fold.ll added (r1.1)
---
Log message:

New testcase


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Diffs of the changes:  (+13 -0)

 and-or-fold.ll |   13 +++++++++++++
 1 files changed, 13 insertions(+)


Index: llvm/test/Regression/CodeGen/X86/and-or-fold.ll
diff -c /dev/null llvm/test/Regression/CodeGen/X86/and-or-fold.ll:1.1
*** /dev/null	Thu Sep 14 16:10:16 2006
--- llvm/test/Regression/CodeGen/X86/and-or-fold.ll	Thu Sep 14 16:10:06 2006
***************
*** 0 ****
--- 1,13 ----
+ ; RUN: llvm-as < %s | llc -march=x86 | grep and | wc -l | grep 1
+ 
+ ; The dag combiner should fold together (x&127)|(y&16711680) -> (x|y)&c1
+ ; in this case.
+ uint %test6(uint %x, ushort %y) {
+         %tmp1 = cast ushort %y to uint
+         %tmp2 = and uint %tmp1, 127             ; <uint> [#uses=1]
+         %tmp4 = shl uint %x, ubyte 16           ; <uint> [#uses=1]
+         %tmp5 = and uint %tmp4, 16711680                ; <uint> [#uses=1]
+         %tmp6 = or uint %tmp2, %tmp5            ; <uint> [#uses=1]
+         ret uint %tmp6
+ }
+