1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 2; RUN: llc -verify-machineinstrs -ppc-asm-full-reg-names -mtriple=powerpc \ 3; RUN: -mcpu=pwr7 < %s | FileCheck %s 4; RUN: llc -verify-machineinstrs -ppc-asm-full-reg-names -mtriple=powerpc \ 5; RUN: -mcpu=pwr8 < %s | FileCheck %s --check-prefix=PWR8 6 7define void @foo(ptr %a, i32 %x) { 8; CHECK-LABEL: foo: 9; CHECK: # %bb.0: 10; CHECK-NEXT: rlwinm r5, r3, 3, 27, 28 11; CHECK-NEXT: extsb r4, r4 12; CHECK-NEXT: li r6, 255 13; CHECK-NEXT: sync 14; CHECK-NEXT: rlwinm r3, r3, 0, 0, 29 15; CHECK-NEXT: xori r5, r5, 24 16; CHECK-NEXT: slw r7, r4, r5 17; CHECK-NEXT: slw r6, r6, r5 18; CHECK-NEXT: and r7, r7, r6 19; CHECK-NEXT: .LBB0_1: 20; CHECK-NEXT: lwarx r8, 0, r3 21; CHECK-NEXT: and r9, r8, r6 22; CHECK-NEXT: srw r9, r9, r5 23; CHECK-NEXT: extsb r9, r9 24; CHECK-NEXT: cmpw r9, r4 25; CHECK-NEXT: bgt cr0, .LBB0_3 26; CHECK-NEXT: # %bb.2: 27; CHECK-NEXT: andc r8, r8, r6 28; CHECK-NEXT: or r8, r7, r8 29; CHECK-NEXT: stwcx. r8, 0, r3 30; CHECK-NEXT: bne cr0, .LBB0_1 31; CHECK-NEXT: .LBB0_3: 32; CHECK-NEXT: lwsync 33; CHECK-NEXT: blr 34; 35; PWR8-LABEL: foo: 36; PWR8: # %bb.0: 37; PWR8-NEXT: sync 38; PWR8-NEXT: extsb r4, r4 39; PWR8-NEXT: .LBB0_1: 40; PWR8-NEXT: lbarx r5, 0, r3 41; PWR8-NEXT: extsb r5, r5 42; PWR8-NEXT: cmpw r5, r4 43; PWR8-NEXT: bgt cr0, .LBB0_3 44; PWR8-NEXT: # %bb.2: 45; PWR8-NEXT: stbcx. r4, 0, r3 46; PWR8-NEXT: bne cr0, .LBB0_1 47; PWR8-NEXT: .LBB0_3: 48; PWR8-NEXT: lwsync 49; PWR8-NEXT: blr 50 %val = trunc i32 %x to i8 51 %1 = atomicrmw max ptr %a, i8 %val seq_cst 52 ret void 53} 54