| ; RUN: llc < %s -mtriple=i386-apple-darwin9 -O0 -optimize-regalloc -regalloc=basic -no-integrated-as | FileCheck %s | |
| ; rdar://6992609 | |
| target triple = "i386-apple-darwin9.0" | |
| define i64 @_OSSwapInt64(i64 %_data) nounwind { | |
| entry: | |
| %0 = call i64 asm "bswap %eax\0A\09bswap %edx\0A\09xchgl %eax, %%edx", "=A,0,~{dirflag},~{fpsr},~{flags}"(i64 %_data) nounwind | |
| ret i64 %0 | |
| } | |
| ; CHECK-LABEL: __OSSwapInt64: | |
| ; CHECK-DAG: movl 8(%esp), %edx | |
| ; CHECK-DAG: movl 4(%esp), %eax | |
| ; CHECK: ## InlineAsm Start | |
| ; CHECK: ## InlineAsm End | |
| ; Everything is set up in eax:edx, return immediately. | |
| ; CHECK-NEXT: retl | |
| ; The tied operands are not necessarily in the same order as the defs. | |
| ; PR13742 | |
| define i64 @swapped(i64 %x, i64 %y) nounwind { | |
| entry: | |
| %x0 = call { i64, i64 } asm "foo", "=r,=r,1,0,~{dirflag},~{fpsr},~{flags}"(i64 %x, i64 %y) nounwind | |
| %x1 = extractvalue { i64, i64 } %x0, 0 | |
| ret i64 %x1 | |
| } |