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

Chris Lattner lattner at cs.uiuc.edu
Mon Jul 10 13:25:14 PDT 2006



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

bswap.ll updated: 1.1 -> 1.2
---
Log message:

Add tests for 16-bit byteswaps.


---
Diffs of the changes:  (+15 -1)

 bswap.ll |   16 +++++++++++++++-
 1 files changed, 15 insertions(+), 1 deletion(-)


Index: llvm/test/Regression/Transforms/InstCombine/bswap.ll
diff -u llvm/test/Regression/Transforms/InstCombine/bswap.ll:1.1 llvm/test/Regression/Transforms/InstCombine/bswap.ll:1.2
--- llvm/test/Regression/Transforms/InstCombine/bswap.ll:1.1	Thu Jun 15 14:06:42 2006
+++ llvm/test/Regression/Transforms/InstCombine/bswap.ll	Mon Jul 10 15:25:01 2006
@@ -1,4 +1,4 @@
-; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'call.*llvm.bswap' | wc -l | grep 2
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'call.*llvm.bswap' | wc -l | grep 4
 
 uint %test1(uint %i) {
         %tmp1 = shr uint %i, ubyte 24           ; <uint> [#uses=1]
@@ -26,3 +26,17 @@
         ret uint %tmp14
 }
 
+ushort %test3(ushort %s) {
+        %tmp2 = shr ushort %s, ubyte 8
+        %tmp4 = shl ushort %s, ubyte 8
+        %tmp5 = or ushort %tmp2, %tmp4
+	ret ushort %tmp5
+}
+
+ushort %test4(ushort %s) {
+        %tmp2 = shr ushort %s, ubyte 8
+        %tmp4 = shl ushort %s, ubyte 8
+        %tmp5 = or ushort %tmp4, %tmp2
+	ret ushort %tmp5
+}
+






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