1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -verify-machineinstrs -mcpu=pwr8 -mtriple=powerpc64le-unknown-gnu-linux < %s | FileCheck %s -check-prefix=CHECK 3 4define signext i32 @memcmp8(ptr nocapture readonly %buffer1, ptr nocapture readonly %buffer2) { 5; CHECK-LABEL: memcmp8: 6; CHECK: # %bb.0: 7; CHECK-NEXT: ldbrx 3, 0, 3 8; CHECK-NEXT: ldbrx 4, 0, 4 9; CHECK-NEXT: cmpld 3, 4 10; CHECK-NEXT: subc 3, 4, 3 11; CHECK-NEXT: subfe 3, 4, 4 12; CHECK-NEXT: li 4, -1 13; CHECK-NEXT: neg 3, 3 14; CHECK-NEXT: isellt 3, 4, 3 15; CHECK-NEXT: extsw 3, 3 16; CHECK-NEXT: blr 17 %call = tail call signext i32 @memcmp(ptr %buffer1, ptr %buffer2, i64 8) 18 ret i32 %call 19} 20 21define signext i32 @memcmp4(ptr nocapture readonly %buffer1, ptr nocapture readonly %buffer2) { 22; CHECK-LABEL: memcmp4: 23; CHECK: # %bb.0: 24; CHECK-NEXT: lwbrx 3, 0, 3 25; CHECK-NEXT: lwbrx 4, 0, 4 26; CHECK-NEXT: cmplw 3, 4 27; CHECK-NEXT: sub 5, 4, 3 28; CHECK-NEXT: li 3, -1 29; CHECK-NEXT: rldicl 5, 5, 1, 63 30; CHECK-NEXT: isellt 3, 3, 5 31; CHECK-NEXT: blr 32 %call = tail call signext i32 @memcmp(ptr %buffer1, ptr %buffer2, i64 4) 33 ret i32 %call 34} 35 36define signext i32 @memcmp2(ptr nocapture readonly %buffer1, ptr nocapture readonly %buffer2) { 37; CHECK-LABEL: memcmp2: 38; CHECK: # %bb.0: 39; CHECK-NEXT: lhbrx 3, 0, 3 40; CHECK-NEXT: lhbrx 4, 0, 4 41; CHECK-NEXT: sub 3, 3, 4 42; CHECK-NEXT: extsw 3, 3 43; CHECK-NEXT: blr 44 %call = tail call signext i32 @memcmp(ptr %buffer1, ptr %buffer2, i64 2) 45 ret i32 %call 46} 47 48define signext i32 @memcmp1(ptr nocapture readonly %buffer1, ptr nocapture readonly %buffer2) { 49; CHECK-LABEL: memcmp1: 50; CHECK: # %bb.0: 51; CHECK-NEXT: lbz 3, 0(3) 52; CHECK-NEXT: lbz 4, 0(4) 53; CHECK-NEXT: sub 3, 3, 4 54; CHECK-NEXT: extsw 3, 3 55; CHECK-NEXT: blr 56 %call = tail call signext i32 @memcmp(ptr %buffer1, ptr %buffer2, i64 1) #2 57 ret i32 %call 58} 59 60declare signext i32 @memcmp(ptr, ptr, i64) 61