Changes in directory llvm/test/Regression/Transforms/InstCombine:
bswap-fold.ll added (r1.1)
---
Log message:
new testcase, bswaps should be eliminated.
---
Diffs of the changes: (+26 -0)
bswap-fold.ll | 26 ++++++++++++++++++++++++++
1 files changed, 26 insertions(+)
Index: llvm/test/Regression/Transforms/InstCombine/bswap-fold.ll
diff -c /dev/null llvm/test/Regression/Transforms/InstCombine/bswap-fold.ll:1.1
*** /dev/null Tue Nov 28 23:00:24 2006
--- llvm/test/Regression/Transforms/InstCombine/bswap-fold.ll Tue Nov 28
23:00:14 2006
***************
*** 0 ****
--- 1,26 ----
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep ret | wc -l | grep 3
&&
+ ; RUN: llvm-as < %s | opt -instcombine | llvm-dis | not grep 'call.*bswap'
+
+ bool %test1(ushort %tmp2) {
+ %tmp10 = call ushort %llvm.bswap.i16( ushort %tmp2 )
+ %tmp = seteq ushort %tmp10, 1
+ ret bool %tmp
+ }
+
+ bool %test2(uint %tmp) {
+ %tmp34 = tail call uint %llvm.bswap.i32( uint %tmp )
+ %tmp = seteq uint %tmp34, 1
+ ret bool %tmp
+ }
+
+ declare uint %llvm.bswap.i32(uint)
+
+ bool %test3(ulong %tmp) {
+ %tmp34 = tail call ulong %llvm.bswap.i64( ulong %tmp )
+ %tmp = seteq ulong %tmp34, 1
+ ret bool %tmp
+ }
+
+ declare ulong %llvm.bswap.i64(ulong)
+
+ declare ushort %llvm.bswap.i16(ushort)
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