| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc -verify-machineinstrs -mcpu=ppc -mtriple=powerpc64-unknown-unknown \ |
| ; RUN: < %s | FileCheck --check-prefix=CHECK-64 %s |
| ; RUN: llc -verify-machineinstrs -mcpu=ppc -mtriple=powerpc-unknown-unknown \ |
| ; RUN: < %s | FileCheck --check-prefix=CHECK-32 %s |
| |
| define float @test_add(ptr %ptr, float %incr) { |
| ; CHECK-64-LABEL: test_add: |
| ; CHECK-64: # %bb.0: # %entry |
| ; CHECK-64-NEXT: sync |
| ; CHECK-64-NEXT: lfs 0, 0(3) |
| ; CHECK-64-NEXT: b .LBB0_3 |
| ; CHECK-64-NEXT: .LBB0_1: # %cmpxchg.nostore |
| ; CHECK-64-NEXT: # in Loop: Header=BB0_3 Depth=1 |
| ; CHECK-64-NEXT: crxor 20, 20, 20 |
| ; CHECK-64-NEXT: .LBB0_2: # %cmpxchg.end |
| ; CHECK-64-NEXT: # in Loop: Header=BB0_3 Depth=1 |
| ; CHECK-64-NEXT: stw 4, -12(1) |
| ; CHECK-64-NEXT: lfs 0, -12(1) |
| ; CHECK-64-NEXT: bc 12, 20, .LBB0_7 |
| ; CHECK-64-NEXT: .LBB0_3: # %atomicrmw.start |
| ; CHECK-64-NEXT: # =>This Loop Header: Depth=1 |
| ; CHECK-64-NEXT: # Child Loop BB0_4 Depth 2 |
| ; CHECK-64-NEXT: fadds 2, 0, 1 |
| ; CHECK-64-NEXT: stfs 2, -4(1) |
| ; CHECK-64-NEXT: stfs 0, -8(1) |
| ; CHECK-64-NEXT: lwz 5, -4(1) |
| ; CHECK-64-NEXT: lwz 6, -8(1) |
| ; CHECK-64-NEXT: .LBB0_4: # %cmpxchg.start |
| ; CHECK-64-NEXT: # Parent Loop BB0_3 Depth=1 |
| ; CHECK-64-NEXT: # => This Inner Loop Header: Depth=2 |
| ; CHECK-64-NEXT: lwarx 4, 0, 3 |
| ; CHECK-64-NEXT: cmplw 4, 6 |
| ; CHECK-64-NEXT: bne 0, .LBB0_1 |
| ; CHECK-64-NEXT: # %bb.5: # %cmpxchg.fencedstore |
| ; CHECK-64-NEXT: # in Loop: Header=BB0_4 Depth=2 |
| ; CHECK-64-NEXT: stwcx. 5, 0, 3 |
| ; CHECK-64-NEXT: bne 0, .LBB0_4 |
| ; CHECK-64-NEXT: # %bb.6: # in Loop: Header=BB0_3 Depth=1 |
| ; CHECK-64-NEXT: creqv 20, 20, 20 |
| ; CHECK-64-NEXT: b .LBB0_2 |
| ; CHECK-64-NEXT: .LBB0_7: # %atomicrmw.end |
| ; CHECK-64-NEXT: fmr 1, 0 |
| ; CHECK-64-NEXT: lwsync |
| ; CHECK-64-NEXT: blr |
| ; |
| ; CHECK-32-LABEL: test_add: |
| ; CHECK-32: # %bb.0: # %entry |
| ; CHECK-32-NEXT: stwu 1, -32(1) |
| ; CHECK-32-NEXT: .cfi_def_cfa_offset 32 |
| ; CHECK-32-NEXT: sync |
| ; CHECK-32-NEXT: lfs 0, 0(3) |
| ; CHECK-32-NEXT: b .LBB0_3 |
| ; CHECK-32-NEXT: .LBB0_1: # %cmpxchg.nostore |
| ; CHECK-32-NEXT: # in Loop: Header=BB0_3 Depth=1 |
| ; CHECK-32-NEXT: crxor 20, 20, 20 |
| ; CHECK-32-NEXT: .LBB0_2: # %cmpxchg.end |
| ; CHECK-32-NEXT: # in Loop: Header=BB0_3 Depth=1 |
| ; CHECK-32-NEXT: stw 4, 20(1) |
| ; CHECK-32-NEXT: lfs 0, 20(1) |
| ; CHECK-32-NEXT: bc 12, 20, .LBB0_7 |
| ; CHECK-32-NEXT: .LBB0_3: # %atomicrmw.start |
| ; CHECK-32-NEXT: # =>This Loop Header: Depth=1 |
| ; CHECK-32-NEXT: # Child Loop BB0_4 Depth 2 |
| ; CHECK-32-NEXT: fadds 2, 0, 1 |
| ; CHECK-32-NEXT: stfs 2, 28(1) |
| ; CHECK-32-NEXT: stfs 0, 24(1) |
| ; CHECK-32-NEXT: lwz 5, 28(1) |
| ; CHECK-32-NEXT: lwz 6, 24(1) |
| ; CHECK-32-NEXT: .LBB0_4: # %cmpxchg.start |
| ; CHECK-32-NEXT: # Parent Loop BB0_3 Depth=1 |
| ; CHECK-32-NEXT: # => This Inner Loop Header: Depth=2 |
| ; CHECK-32-NEXT: lwarx 4, 0, 3 |
| ; CHECK-32-NEXT: cmplw 4, 6 |
| ; CHECK-32-NEXT: bne 0, .LBB0_1 |
| ; CHECK-32-NEXT: # %bb.5: # %cmpxchg.fencedstore |
| ; CHECK-32-NEXT: # in Loop: Header=BB0_4 Depth=2 |
| ; CHECK-32-NEXT: stwcx. 5, 0, 3 |
| ; CHECK-32-NEXT: bne 0, .LBB0_4 |
| ; CHECK-32-NEXT: # %bb.6: # in Loop: Header=BB0_3 Depth=1 |
| ; CHECK-32-NEXT: creqv 20, 20, 20 |
| ; CHECK-32-NEXT: b .LBB0_2 |
| ; CHECK-32-NEXT: .LBB0_7: # %atomicrmw.end |
| ; CHECK-32-NEXT: fmr 1, 0 |
| ; CHECK-32-NEXT: lwsync |
| ; CHECK-32-NEXT: addi 1, 1, 32 |
| ; CHECK-32-NEXT: blr |
| entry: |
| %r = atomicrmw fadd ptr %ptr, float %incr seq_cst |
| ret float %r |
| } |
