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; 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
}
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