File: pr59867.ll

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llvm-toolchain-21 1%3A21.1.6-3
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=x86_64-unknown -mcpu=x86-64    -S | FileCheck %s
; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=x86_64-unknown -mcpu=x86-64-v2 -S | FileCheck %s
; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=x86_64-unknown -mcpu=x86-64-v3 -S | FileCheck %s
; RUN: opt < %s -passes=slp-vectorizer -S -mtriple=x86_64-unknown -mcpu=x86-64-v4 -S | FileCheck %s

define i1 @PR59867(ptr %s1, ptr %s2) {
; CHECK-LABEL: @PR59867(
; CHECK-NEXT:    [[V1_1:%.*]] = load i8, ptr [[S1:%.*]], align 1
; CHECK-NEXT:    [[V2_1:%.*]] = load i8, ptr [[S2:%.*]], align 1
; CHECK-NEXT:    [[C1:%.*]] = icmp eq i8 [[V1_1]], [[V2_1]]
; CHECK-NEXT:    [[S1_2:%.*]] = getelementptr inbounds i8, ptr [[S1]], i64 1
; CHECK-NEXT:    [[V1_2:%.*]] = load i8, ptr [[S1_2]], align 1
; CHECK-NEXT:    [[S2_2:%.*]] = getelementptr inbounds i8, ptr [[S2]], i64 1
; CHECK-NEXT:    [[V2_2:%.*]] = load i8, ptr [[S2_2]], align 1
; CHECK-NEXT:    [[C2:%.*]] = icmp eq i8 [[V1_2]], [[V2_2]]
; CHECK-NEXT:    [[RES:%.*]] = select i1 [[C1]], i1 [[C2]], i1 false
; CHECK-NEXT:    ret i1 [[RES]]
;
  %v1.1 = load i8, ptr %s1, align 1
  %v2.1 = load i8, ptr %s2, align 1
  %c1 = icmp eq i8 %v1.1, %v2.1
  %s1.2 = getelementptr inbounds i8, ptr %s1, i64 1
  %v1.2 = load i8, ptr %s1.2, align 1
  %s2.2 = getelementptr inbounds i8, ptr %s2, i64 1
  %v2.2 = load i8, ptr %s2.2, align 1
  %c2 = icmp eq i8 %v1.2, %v2.2
  %res = select i1 %c1, i1 %c2, i1 false
  ret i1 %res
}