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| author | Chris Lattner <sabre@nondot.org> | 2006-07-10 20:53:53 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-07-10 20:53:53 +0000 |
| commit | 5895a13755cd61c1aead93d68402389dfa8f7b8a (patch) | |
| tree | 3cf6fe5c028454d296c38470bab4463053874476 /test | |
| parent | 6423d4c64adc7db73206bbfd957256236bfaf2b4 (diff) | |
| download | llvm-5895a13755cd61c1aead93d68402389dfa8f7b8a.tar.gz llvm-5895a13755cd61c1aead93d68402389dfa8f7b8a.tar.bz2 llvm-5895a13755cd61c1aead93d68402389dfa8f7b8a.tar.xz | |
New testcase for folding bswaps into i16/i32 loads and stores.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29088 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/PowerPC/bswap-load-store.ll | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/test/CodeGen/PowerPC/bswap-load-store.ll b/test/CodeGen/PowerPC/bswap-load-store.ll new file mode 100644 index 0000000000..b8668bb6f0 --- /dev/null +++ b/test/CodeGen/PowerPC/bswap-load-store.ll @@ -0,0 +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) |