diff options
author | Ed Schouten <ed@FreeBSD.org> | 2009-06-02 17:52:33 +0000 |
---|---|---|
committer | Ed Schouten <ed@FreeBSD.org> | 2009-06-02 17:52:33 +0000 |
commit | 009b1c42aa6266385f2c37e227516b24077e6dd7 (patch) | |
tree | 64ba909838c23261cace781ece27d106134ea451 /test/CodeGen/X86/bswap.ll | |
download | src-009b1c42aa6266385f2c37e227516b24077e6dd7.tar.gz src-009b1c42aa6266385f2c37e227516b24077e6dd7.zip |
Import LLVM, at r72732.vendor/llvm/llvm-r72732
Notes
Notes:
svn path=/vendor/llvm/dist/; revision=193323
svn path=/vendor/llvm/llvm-r72732/; revision=193324; tag=vendor/llvm/llvm-r72732
Diffstat (limited to 'test/CodeGen/X86/bswap.ll')
-rw-r--r-- | test/CodeGen/X86/bswap.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/X86/bswap.ll b/test/CodeGen/X86/bswap.ll new file mode 100644 index 000000000000..592e25bae331 --- /dev/null +++ b/test/CodeGen/X86/bswap.ll @@ -0,0 +1,27 @@ +; bswap should be constant folded when it is passed a constant argument + +; RUN: llvm-as < %s | llc -march=x86 | \ +; RUN: grep bswapl | count 3 +; RUN: llvm-as < %s | llc -march=x86 | grep rolw | count 1 + +declare i16 @llvm.bswap.i16(i16) + +declare i32 @llvm.bswap.i32(i32) + +declare i64 @llvm.bswap.i64(i64) + +define i16 @W(i16 %A) { + %Z = call i16 @llvm.bswap.i16( i16 %A ) ; <i16> [#uses=1] + ret i16 %Z +} + +define i32 @X(i32 %A) { + %Z = call i32 @llvm.bswap.i32( i32 %A ) ; <i32> [#uses=1] + ret i32 %Z +} + +define i64 @Y(i64 %A) { + %Z = call i64 @llvm.bswap.i64( i64 %A ) ; <i64> [#uses=1] + ret i64 %Z +} + |