| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-- -verify-machineinstrs | FileCheck %s |
| |
| ; rdar://9692967 |
| |
| define void @t1(ptr %p, i32 %b) nounwind { |
| ; CHECK-LABEL: t1: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movq %rdi, -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: movl $2147483648, %eax # imm = 0x80000000 |
| ; CHECK-NEXT: lock orq %rax, (%rdi) |
| ; CHECK-NEXT: retq |
| entry: |
| %p.addr = alloca ptr, align 8 |
| store ptr %p, ptr %p.addr, align 8 |
| %tmp = load ptr, ptr %p.addr, align 8 |
| %0 = atomicrmw or ptr %tmp, i64 2147483648 seq_cst |
| ret void |
| } |
| |
| define void @t2(ptr %p, i32 %b) nounwind { |
| ; CHECK-LABEL: t2: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: movq %rdi, -{{[0-9]+}}(%rsp) |
| ; CHECK-NEXT: lock orq $2147483644, (%rdi) # imm = 0x7FFFFFFC |
| ; CHECK-NEXT: retq |
| entry: |
| %p.addr = alloca ptr, align 8 |
| store ptr %p, ptr %p.addr, align 8 |
| %tmp = load ptr, ptr %p.addr, align 8 |
| %0 = atomicrmw or ptr %tmp, i64 2147483644 seq_cst |
| ret void |
| } |