; RUN: llc -O2 < %s -mtriple=aarch64-linux-gnu | FileCheck %s --check-prefixes=CHECK,CHECKN ; RUN: llc -O2 < %s -mtriple=aarch64-linux-gnu -mattr=strict-align | FileCheck %s --check-prefixes=CHECK,CHECKS declare i32 @bcmp(i8*, i8*, i64) nounwind readonly declare i32 @memcmp(i8*, i8*, i64) nounwind readonly define i1 @bcmp_b2(i8* %s1, i8* %s2) { entry: %bcmp = call i32 @bcmp(i8* %s1, i8* %s2, i64 15) %ret = icmp eq i32 %bcmp, 0 ret i1 %ret ; CHECK-LABEL: bcmp_b2: ; CHECK-NOT: bl bcmp ; CHECKN: ldr x ; CHECKN-NEXT: ldr x ; CHECKN-NEXT: ldur x ; CHECKN-NEXT: ldur x ; CHECKS: ldr x ; CHECKS-NEXT: ldr x ; CHECKS-NEXT: ldr w ; CHECKS-NEXT: ldr w ; CHECKS-NEXT: ldrh w ; CHECKS-NEXT: ldrh w ; CHECKS-NEXT: ldrb w ; CHECKS-NEXT: ldrb w } define i1 @bcmp_bs(i8* %s1, i8* %s2) optsize { entry: %memcmp = call i32 @memcmp(i8* %s1, i8* %s2, i64 31) %ret = icmp eq i32 %memcmp, 0 ret i1 %ret ; CHECK-LABEL: bcmp_bs: ; CHECKN-NOT: bl memcmp ; CHECKN: ldp x ; CHECKN-NEXT: ldp x ; CHECKN-NEXT: ldr x ; CHECKN-NEXT: ldr x ; CHECKN-NEXT: ldur x ; CHECKN-NEXT: ldur x ; CHECKS: bl memcmp }