1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -verify-machineinstrs -mcpu=ppc -mtriple=powerpc64-unknown-unknown \ 3; RUN: < %s | FileCheck --check-prefix=CHECK-64 %s 4; RUN: llc -verify-machineinstrs -mcpu=ppc -mtriple=powerpc-unknown-unknown \ 5; RUN: < %s | FileCheck --check-prefix=CHECK-32 %s 6 7define float @test_add(ptr %ptr, float %incr) { 8; CHECK-64-LABEL: test_add: 9; CHECK-64: # %bb.0: # %entry 10; CHECK-64-NEXT: sync 11; CHECK-64-NEXT: lfs 0, 0(3) 12; CHECK-64-NEXT: b .LBB0_2 13; CHECK-64-NEXT: .LBB0_1: # %atomicrmw.start 14; CHECK-64-NEXT: # 15; CHECK-64-NEXT: stw 6, -4(1) 16; CHECK-64-NEXT: cmplw 6, 4 17; CHECK-64-NEXT: lfs 0, -4(1) 18; CHECK-64-NEXT: beq 0, .LBB0_5 19; CHECK-64-NEXT: .LBB0_2: # %atomicrmw.start 20; CHECK-64-NEXT: # =>This Loop Header: Depth=1 21; CHECK-64-NEXT: # Child Loop BB0_3 Depth 2 22; CHECK-64-NEXT: fadds 2, 0, 1 23; CHECK-64-NEXT: stfs 2, -8(1) 24; CHECK-64-NEXT: stfs 0, -12(1) 25; CHECK-64-NEXT: lwz 5, -8(1) 26; CHECK-64-NEXT: lwz 4, -12(1) 27; CHECK-64-NEXT: .LBB0_3: # %atomicrmw.start 28; CHECK-64-NEXT: # Parent Loop BB0_2 Depth=1 29; CHECK-64-NEXT: # => This Inner Loop Header: Depth=2 30; CHECK-64-NEXT: lwarx 6, 0, 3 31; CHECK-64-NEXT: cmpw 6, 4 32; CHECK-64-NEXT: bne 0, .LBB0_1 33; CHECK-64-NEXT: # %bb.4: # %atomicrmw.start 34; CHECK-64-NEXT: # 35; CHECK-64-NEXT: stwcx. 5, 0, 3 36; CHECK-64-NEXT: bne 0, .LBB0_3 37; CHECK-64-NEXT: b .LBB0_1 38; CHECK-64-NEXT: .LBB0_5: # %atomicrmw.end 39; CHECK-64-NEXT: fmr 1, 0 40; CHECK-64-NEXT: lwsync 41; CHECK-64-NEXT: blr 42; 43; CHECK-32-LABEL: test_add: 44; CHECK-32: # %bb.0: # %entry 45; CHECK-32-NEXT: stwu 1, -32(1) 46; CHECK-32-NEXT: .cfi_def_cfa_offset 32 47; CHECK-32-NEXT: sync 48; CHECK-32-NEXT: lfs 0, 0(3) 49; CHECK-32-NEXT: b .LBB0_2 50; CHECK-32-NEXT: .LBB0_1: # %atomicrmw.start 51; CHECK-32-NEXT: # 52; CHECK-32-NEXT: stw 6, 28(1) 53; CHECK-32-NEXT: cmplw 6, 4 54; CHECK-32-NEXT: lfs 0, 28(1) 55; CHECK-32-NEXT: beq 0, .LBB0_5 56; CHECK-32-NEXT: .LBB0_2: # %atomicrmw.start 57; CHECK-32-NEXT: # =>This Loop Header: Depth=1 58; CHECK-32-NEXT: # Child Loop BB0_3 Depth 2 59; CHECK-32-NEXT: fadds 2, 0, 1 60; CHECK-32-NEXT: stfs 2, 24(1) 61; CHECK-32-NEXT: stfs 0, 20(1) 62; CHECK-32-NEXT: lwz 5, 24(1) 63; CHECK-32-NEXT: lwz 4, 20(1) 64; CHECK-32-NEXT: .LBB0_3: # %atomicrmw.start 65; CHECK-32-NEXT: # Parent Loop BB0_2 Depth=1 66; CHECK-32-NEXT: # => This Inner Loop Header: Depth=2 67; CHECK-32-NEXT: lwarx 6, 0, 3 68; CHECK-32-NEXT: cmpw 6, 4 69; CHECK-32-NEXT: bne 0, .LBB0_1 70; CHECK-32-NEXT: # %bb.4: # %atomicrmw.start 71; CHECK-32-NEXT: # 72; CHECK-32-NEXT: stwcx. 5, 0, 3 73; CHECK-32-NEXT: bne 0, .LBB0_3 74; CHECK-32-NEXT: b .LBB0_1 75; CHECK-32-NEXT: .LBB0_5: # %atomicrmw.end 76; CHECK-32-NEXT: fmr 1, 0 77; CHECK-32-NEXT: lwsync 78; CHECK-32-NEXT: addi 1, 1, 32 79; CHECK-32-NEXT: blr 80entry: 81 %r = atomicrmw fadd ptr %ptr, float %incr seq_cst 82 ret float %r 83} 84