llvm/test/CodeGen/PowerPC/memcmp64_fixsize.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: opt -passes=expand-memcmp -mtriple=powerpc64-ibm-aix -mcpu=pwr8 -S < %s | llc -mcpu=pwr8 -ppc-asm-full-reg-names -mtriple=powerpc64-ibm-aix | \
; RUN:   FileCheck %s --check-prefix=CHECK-AIX64-32-P8

; RUN: opt -passes=expand-memcmp -mtriple=powerpc64-ibm-aix -mcpu=pwr10 -S < %s | llc -mcpu=pwr10 -ppc-asm-full-reg-names -mtriple=powerpc64-ibm-aix | \
; RUN:   FileCheck %s --check-prefix=CHECK-AIX64-32-P10

; RUN: opt -passes=expand-memcmp -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 -S < %s | llc -mcpu=pwr8 -ppc-asm-full-reg-names -mtriple=powerpc64le-unknown-linux-gnu | \
; RUN:   FileCheck %s --check-prefix=CHECK-LINUX64-P8

; RUN: opt -passes=expand-memcmp -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr10 -S < %s | llc -mcpu=pwr10 -ppc-asm-full-reg-names -mtriple=powerpc64le-unknown-linux-gnu | \
; RUN:   FileCheck %s --check-prefix=CHECK-LINUX64-P10

define dso_local signext range(i32 0, 2) i32 @cmpeq16(ptr noundef readonly captures(none) %a, ptr noundef readonly captures(none) %b) {
; CHECK-AIX64-32-P8-LABEL: cmpeq16:
; CHECK-AIX64-32-P8:       # %bb.0: # %entry
; CHECK-AIX64-32-P8-NEXT:    lxvw4x vs34, 0, r4
; CHECK-AIX64-32-P8-NEXT:    lxvw4x vs35, 0, r3
; CHECK-AIX64-32-P8-NEXT:    vcmpequb. v2, v3, v2
; CHECK-AIX64-32-P8-NEXT:    mfocrf r3, 2
; CHECK-AIX64-32-P8-NEXT:    rlwinm r3, r3, 25, 31, 31
; CHECK-AIX64-32-P8-NEXT:    blr
;
; CHECK-AIX64-32-P10-LABEL: cmpeq16:
; CHECK-AIX64-32-P10:       # %bb.0: # %entry
; CHECK-AIX64-32-P10-NEXT:    lxv vs34, 0(r4)
; CHECK-AIX64-32-P10-NEXT:    lxv vs35, 0(r3)
; CHECK-AIX64-32-P10-NEXT:    vcmpequb. v2, v3, v2
; CHECK-AIX64-32-P10-NEXT:    setbc r3, 4*cr6+lt
; CHECK-AIX64-32-P10-NEXT:    blr
;
; CHECK-LINUX64-P8-LABEL: cmpeq16:
; CHECK-LINUX64-P8:       # %bb.0: # %entry
; CHECK-LINUX64-P8-NEXT:    lxvd2x vs34, 0, r4
; CHECK-LINUX64-P8-NEXT:    lxvd2x vs35, 0, r3
; CHECK-LINUX64-P8-NEXT:    vcmpequb. v2, v3, v2
; CHECK-LINUX64-P8-NEXT:    mfocrf r3, 2
; CHECK-LINUX64-P8-NEXT:    rlwinm r3, r3, 25, 31, 31
; CHECK-LINUX64-P8-NEXT:    blr
;
; CHECK-LINUX64-P10-LABEL: cmpeq16:
; CHECK-LINUX64-P10:       # %bb.0: # %entry
; CHECK-LINUX64-P10-NEXT:    lxv vs34, 0(r4)
; CHECK-LINUX64-P10-NEXT:    lxv vs35, 0(r3)
; CHECK-LINUX64-P10-NEXT:    vcmpequb. v2, v3, v2
; CHECK-LINUX64-P10-NEXT:    setbc r3, 4*cr6+lt
; CHECK-LINUX64-P10-NEXT:    blr
entry:
  %bcmp = tail call i32 @bcmp(ptr noundef nonnull dereferenceable(16) %a, ptr noundef nonnull dereferenceable(16) %b, i64 16)
  %cmp = icmp eq i32 %bcmp, 0
  %conv = zext i1 %cmp to i32
  ret i32 %conv
}

declare signext i32 @bcmp(ptr captures(none), ptr captures(none), i64)