1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -mtriple=x86_64-- < %s | FileCheck %s 3@sc8 = external dso_local global i8 4 5define void @atomic_maxmin_i8() { 6; CHECK-LABEL: atomic_maxmin_i8: 7; CHECK: # %bb.0: 8; CHECK-NEXT: movzbl sc8(%rip), %eax 9; CHECK-NEXT: .p2align 4 10; CHECK-NEXT: .LBB0_1: # %atomicrmw.start14 11; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 12; CHECK-NEXT: cmpb $6, %al 13; CHECK-NEXT: movzbl %al, %eax 14; CHECK-NEXT: movl $5, %ecx 15; CHECK-NEXT: cmovgel %eax, %ecx 16; CHECK-NEXT: # kill: def $al killed $al killed $eax 17; CHECK-NEXT: lock cmpxchgb %cl, sc8(%rip) 18; CHECK-NEXT: jne .LBB0_1 19; CHECK-NEXT: # %bb.2: # %atomicrmw.end13 20; CHECK-NEXT: movzbl sc8(%rip), %eax 21; CHECK-NEXT: .p2align 4 22; CHECK-NEXT: .LBB0_3: # %atomicrmw.start8 23; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 24; CHECK-NEXT: cmpb $7, %al 25; CHECK-NEXT: movzbl %al, %eax 26; CHECK-NEXT: movl $6, %ecx 27; CHECK-NEXT: cmovll %eax, %ecx 28; CHECK-NEXT: # kill: def $al killed $al killed $eax 29; CHECK-NEXT: lock cmpxchgb %cl, sc8(%rip) 30; CHECK-NEXT: jne .LBB0_3 31; CHECK-NEXT: # %bb.4: # %atomicrmw.end7 32; CHECK-NEXT: movzbl sc8(%rip), %eax 33; CHECK-NEXT: .p2align 4 34; CHECK-NEXT: .LBB0_5: # %atomicrmw.start2 35; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 36; CHECK-NEXT: cmpb $8, %al 37; CHECK-NEXT: movzbl %al, %eax 38; CHECK-NEXT: movl $7, %ecx 39; CHECK-NEXT: cmovael %eax, %ecx 40; CHECK-NEXT: # kill: def $al killed $al killed $eax 41; CHECK-NEXT: lock cmpxchgb %cl, sc8(%rip) 42; CHECK-NEXT: jne .LBB0_5 43; CHECK-NEXT: # %bb.6: # %atomicrmw.end1 44; CHECK-NEXT: movzbl sc8(%rip), %eax 45; CHECK-NEXT: .p2align 4 46; CHECK-NEXT: .LBB0_7: # %atomicrmw.start 47; CHECK-NEXT: # =>This Inner Loop Header: Depth=1 48; CHECK-NEXT: cmpb $9, %al 49; CHECK-NEXT: movzbl %al, %eax 50; CHECK-NEXT: movl $8, %ecx 51; CHECK-NEXT: cmovbl %eax, %ecx 52; CHECK-NEXT: # kill: def $al killed $al killed $eax 53; CHECK-NEXT: lock cmpxchgb %cl, sc8(%rip) 54; CHECK-NEXT: jne .LBB0_7 55; CHECK-NEXT: # %bb.8: # %atomicrmw.end 56; CHECK-NEXT: retq 57 %1 = atomicrmw max ptr @sc8, i8 5 acquire 58 %2 = atomicrmw min ptr @sc8, i8 6 acquire 59 %3 = atomicrmw umax ptr @sc8, i8 7 acquire 60 %4 = atomicrmw umin ptr @sc8, i8 8 acquire 61 ret void 62} 63