[llvm-commits] CVS: llvm/test/Regression/CodeGen/PowerPC/bswap-load-store.ll

[Chris Lattner]

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

bswap-load-store.ll added (r1.1)
---
Log message:

New testcase for folding bswaps into i16/i32 loads and stores.


---
Diffs of the changes:  (+42 -0)

 bswap-load-store.ll |   42 ++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 42 insertions(+)


Index: llvm/test/Regression/CodeGen/PowerPC/bswap-load-store.ll
diff -c /dev/null llvm/test/Regression/CodeGen/PowerPC/bswap-load-store.ll:1.1
*** /dev/null	Mon Jul 10 15:54:03 2006
--- llvm/test/Regression/CodeGen/PowerPC/bswap-load-store.ll	Mon Jul 10 15:53:53 2006
***************
*** 0 ****
--- 1,42 ----
+ ; RUN: llvm-as < %s | llc -march=ppc32 | grep 'stwbrx\|lwbrx\|sthbrx\|lhbrx' | wc -l | grep 4 &&
+ ; RUN: llvm-as < %s | llc -march=ppc32 | not grep rlwinm &&
+ ; RUN: llvm-as < %s | llc -march=ppc32 | not grep rlwimi &&
+ ; RUN: llvm-as < %s | llc -march=ppc64 | grep 'stwbrx\|lwbrx\|sthbrx\|lhbrx' | wc -l | grep 4 &&
+ ; RUN: llvm-as < %s | llc -march=ppc64 | not grep rlwinm &&
+ ; RUN: llvm-as < %s | llc -march=ppc64 | not grep rlwimi
+ 
+ void %STWBRX(uint %i, sbyte* %ptr, int %off) {
+ 	%tmp1 = getelementptr sbyte* %ptr, int %off
+ 	%tmp1 = cast sbyte* %tmp1 to uint*
+ 	%tmp13 = tail call uint %llvm.bswap.i32(uint %i)
+ 	store uint %tmp13, uint* %tmp1
+ 	ret void
+ }
+ 
+ uint %LWBRX(sbyte* %ptr, int %off) {
+ 	%tmp1 = getelementptr sbyte* %ptr, int %off
+ 	%tmp1 = cast sbyte* %tmp1 to uint*		
+ 	%tmp = load uint* %tmp1		
+ 	%tmp14 = tail call uint %llvm.bswap.i32( uint %tmp )
+ 	ret uint %tmp14
+ }
+ 
+ void %STHBRX(ushort %s, sbyte* %ptr, int %off) {
+ 	%tmp1 = getelementptr sbyte* %ptr, int %off
+ 	%tmp1 = cast sbyte* %tmp1 to ushort*
+ 	%tmp5 = call ushort %llvm.bswap.i16( ushort %s )
+ 	store ushort %tmp5, ushort* %tmp1
+ 	ret void
+ }
+ 
+ ushort %LHBRX(sbyte* %ptr, int %off) {
+ 	%tmp1 = getelementptr sbyte* %ptr, int %off
+ 	%tmp1 = cast sbyte* %tmp1 to ushort*
+ 	%tmp = load ushort* %tmp1
+ 	%tmp6 = call ushort %llvm.bswap.i16(ushort %tmp)
+ 	ret ushort %tmp6
+ }
+ 
+ declare uint %llvm.bswap.i32(uint)
+ 
+ declare ushort %llvm.bswap.i16(ushort)