| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-- -tailcallopt | FileCheck %s |
| |
| ; Bug 4396. This tail call can NOT be optimized. |
| |
| declare fastcc ptr @_D3gcx2GC12mallocNoSyncMFmkZPv() nounwind |
| |
| define fastcc ptr @_D3gcx2GC12callocNoSyncMFmkZPv() nounwind { |
| ; CHECK-LABEL: _D3gcx2GC12callocNoSyncMFmkZPv: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: pushl %esi |
| ; CHECK-NEXT: calll _D3gcx2GC12mallocNoSyncMFmkZPv@PLT |
| ; CHECK-NEXT: movl %eax, %esi |
| ; CHECK-NEXT: pushl $0 |
| ; CHECK-NEXT: pushl $2 |
| ; CHECK-NEXT: pushl $0 |
| ; CHECK-NEXT: pushl %eax |
| ; CHECK-NEXT: calll memset@PLT |
| ; CHECK-NEXT: addl $16, %esp |
| ; CHECK-NEXT: movl %esi, %eax |
| ; CHECK-NEXT: popl %esi |
| ; CHECK-NEXT: retl |
| entry: |
| %tmp6 = tail call fastcc ptr @_D3gcx2GC12mallocNoSyncMFmkZPv() ; <ptr> [#uses=2] |
| %tmp9 = tail call ptr @memset(ptr %tmp6, i32 0, i64 2) ; <ptr> [#uses=0] |
| ret ptr %tmp6 |
| } |
| |
| declare ptr @memset(ptr, i32, i64) |
