forked from OSchip/llvm-project
74 lines
2.6 KiB
LLVM
74 lines
2.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -basic-aa -dse -S | FileCheck --check-prefix=NO-LIMIT %s
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; RUN: opt < %s -basic-aa -dse -dse-memoryssa-scanlimit=0 -S | FileCheck --check-prefix=LIMIT-0 %s
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; RUN: opt < %s -basic-aa -dse -dse-memoryssa-scanlimit=2 -S | FileCheck --check-prefix=LIMIT-2 %s
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; RUN: opt < %s -basic-aa -dse -dse-memoryssa-scanlimit=3 -S | FileCheck --check-prefix=LIMIT-3 %s
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target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-a:0:32-n32-S64"
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define void @test2(i32* noalias %P, i32* noalias %Q, i32* noalias %R) {
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; NO-LIMIT-LABEL: @test2(
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; NO-LIMIT-NEXT: br i1 true, label [[BB1:%.*]], label [[BB2:%.*]]
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; NO-LIMIT: bb1:
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; NO-LIMIT-NEXT: br label [[BB3:%.*]]
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; NO-LIMIT: bb2:
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; NO-LIMIT-NEXT: br label [[BB3]]
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; NO-LIMIT: bb3:
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; NO-LIMIT-NEXT: store i32 0, i32* [[Q:%.*]], align 4
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; NO-LIMIT-NEXT: store i32 0, i32* [[R:%.*]], align 4
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; NO-LIMIT-NEXT: store i32 0, i32* [[P:%.*]], align 4
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; NO-LIMIT-NEXT: ret void
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;
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; LIMIT-0-LABEL: @test2(
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; LIMIT-0-NEXT: store i32 1, i32* [[P:%.*]], align 4
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; LIMIT-0-NEXT: br i1 true, label [[BB1:%.*]], label [[BB2:%.*]]
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; LIMIT-0: bb1:
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; LIMIT-0-NEXT: br label [[BB3:%.*]]
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; LIMIT-0: bb2:
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; LIMIT-0-NEXT: br label [[BB3]]
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; LIMIT-0: bb3:
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; LIMIT-0-NEXT: store i32 0, i32* [[Q:%.*]], align 4
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; LIMIT-0-NEXT: store i32 0, i32* [[R:%.*]], align 4
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; LIMIT-0-NEXT: store i32 0, i32* [[P]], align 4
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; LIMIT-0-NEXT: ret void
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;
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; LIMIT-2-LABEL: @test2(
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; LIMIT-2-NEXT: store i32 1, i32* [[P:%.*]], align 4
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; LIMIT-2-NEXT: br i1 true, label [[BB1:%.*]], label [[BB2:%.*]]
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; LIMIT-2: bb1:
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; LIMIT-2-NEXT: br label [[BB3:%.*]]
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; LIMIT-2: bb2:
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; LIMIT-2-NEXT: br label [[BB3]]
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; LIMIT-2: bb3:
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; LIMIT-2-NEXT: store i32 0, i32* [[Q:%.*]], align 4
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; LIMIT-2-NEXT: store i32 0, i32* [[R:%.*]], align 4
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; LIMIT-2-NEXT: store i32 0, i32* [[P]], align 4
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; LIMIT-2-NEXT: ret void
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;
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; LIMIT-3-LABEL: @test2(
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; LIMIT-3-NEXT: br i1 true, label [[BB1:%.*]], label [[BB2:%.*]]
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; LIMIT-3: bb1:
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; LIMIT-3-NEXT: br label [[BB3:%.*]]
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; LIMIT-3: bb2:
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; LIMIT-3-NEXT: br label [[BB3]]
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; LIMIT-3: bb3:
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; LIMIT-3-NEXT: store i32 0, i32* [[Q:%.*]], align 4
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; LIMIT-3-NEXT: store i32 0, i32* [[R:%.*]], align 4
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; LIMIT-3-NEXT: store i32 0, i32* [[P:%.*]], align 4
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; LIMIT-3-NEXT: ret void
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;
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store i32 1, i32* %P
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br i1 true, label %bb1, label %bb2
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bb1:
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br label %bb3
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bb2:
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br label %bb3
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bb3:
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store i32 0, i32* %Q
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store i32 0, i32* %R
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store i32 0, i32* %P
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ret void
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}
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