Recognize "bswapq" as an alternate spelling for the bswap instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67071 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/bswap-inline-asm.ll b/test/CodeGen/X86/bswap-inline-asm.ll
new file mode 100644
index 0000000..c44d845
--- /dev/null
+++ b/test/CodeGen/X86/bswap-inline-asm.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | llc -march=x86-64 > %t
+; RUN: not grep APP %t
+; RUN: grep bswapq %t | count 2
+
+define i64 @foo(i64 %x) nounwind {
+ %asmtmp = tail call i64 asm "bswap $0", "=r,0,~{dirflag},~{fpsr},~{flags}"(i64 %x) nounwind
+ ret i64 %asmtmp
+}
+define i64 @bar(i64 %x) nounwind {
+ %asmtmp = tail call i64 asm "bswapq ${0:q}", "=r,0,~{dirflag},~{fpsr},~{flags}"(i64 %x) nounwind
+ ret i64 %asmtmp
+}