forked from OSchip/llvm-project
45 lines
1.1 KiB
LLVM
45 lines
1.1 KiB
LLVM
|
; 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
|
||
|
|
}
|