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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -S | FileCheck --check-prefix=NO-LIMIT %s
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -dse-memoryssa-scanlimit=0 -S | FileCheck --check-prefix=LIMIT-0 %s
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -dse-memoryssa-scanlimit=3 -S | FileCheck --check-prefix=LIMIT-3 %s
; RUN: opt < %s -basic-aa -dse -enable-dse-memoryssa -dse-memoryssa-scanlimit=4 -S | FileCheck --check-prefix=LIMIT-4 %s
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
define void @test2(i32* noalias %P, i32* noalias %Q, i32* noalias %R) {
;
; NO-LIMIT-LABEL: @test2(
; NO-LIMIT-NEXT: br i1 true, label [[BB1:%.*]], label [[BB2:%.*]]
; NO-LIMIT: bb1:
; NO-LIMIT-NEXT: br label [[BB3:%.*]]
; NO-LIMIT: bb2:
; NO-LIMIT-NEXT: br label [[BB3]]
; NO-LIMIT: bb3:
; NO-LIMIT-NEXT: store i32 0, i32* [[Q:%.*]]
; NO-LIMIT-NEXT: store i32 0, i32* [[R:%.*]]
; NO-LIMIT-NEXT: store i32 0, i32* [[P:%.*]]
; NO-LIMIT-NEXT: ret void
;
; LIMIT-0-LABEL: @test2(
; LIMIT-0-NEXT: br i1 true, label [[BB1:%.*]], label [[BB2:%.*]]
; LIMIT-0: bb1:
; LIMIT-0-NEXT: br label [[BB3:%.*]]
; LIMIT-0: bb2:
; LIMIT-0-NEXT: br label [[BB3]]
; LIMIT-0: bb3:
; LIMIT-0-NEXT: store i32 0, i32* [[Q:%.*]]
; LIMIT-0-NEXT: store i32 0, i32* [[R:%.*]]
; LIMIT-0-NEXT: store i32 0, i32* [[P:%.*]]
; LIMIT-0-NEXT: ret void
;
; LIMIT-3-LABEL: @test2(
; LIMIT-3-NEXT: store i32 1, i32* [[P:%.*]]
; LIMIT-3-NEXT: br i1 true, label [[BB1:%.*]], label [[BB2:%.*]]
; LIMIT-3: bb1:
; LIMIT-3-NEXT: br label [[BB3:%.*]]
; LIMIT-3: bb2:
; LIMIT-3-NEXT: br label [[BB3]]
; LIMIT-3: bb3:
; LIMIT-3-NEXT: store i32 0, i32* [[Q:%.*]]
; LIMIT-3-NEXT: store i32 0, i32* [[R:%.*]]
; LIMIT-3-NEXT: store i32 0, i32* [[P]]
; LIMIT-3-NEXT: ret void
;
; LIMIT-4-LABEL: @test2(
; LIMIT-4-NEXT: br i1 true, label [[BB1:%.*]], label [[BB2:%.*]]
; LIMIT-4: bb1:
; LIMIT-4-NEXT: br label [[BB3:%.*]]
; LIMIT-4: bb2:
; LIMIT-4-NEXT: br label [[BB3]]
; LIMIT-4: bb3:
; LIMIT-4-NEXT: store i32 0, i32* [[Q:%.*]]
; LIMIT-4-NEXT: store i32 0, i32* [[R:%.*]]
; LIMIT-4-NEXT: store i32 0, i32* [[P:%.*]]
; LIMIT-4-NEXT: ret void
;
store i32 1, i32* %P
br i1 true, label %bb1, label %bb2
bb1:
br label %bb3
bb2:
br label %bb3
bb3:
store i32 0, i32* %Q
store i32 0, i32* %R
store i32 0, i32* %P
ret void
}
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