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968bf43d7e
Summary: PR41688 Reviewers: spatel, efriedma, craig.topper, hfinkel, reames Reviewed By: hfinkel Subscribers: javed.absar, dmgreen, fhahn, hfinkel, reames, nikic, lebedev.ri, llvm-commits Tags: #llvm Differential Revision: https://reviews.llvm.org/D61409 llvm-svn: 361707
41 lines
1.4 KiB
LLVM
41 lines
1.4 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -S -simplifycfg < %s | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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declare i32* @fn1(i32* returned)
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define i32 @test1(i1 %B) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_COND_US:%.*]]
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; CHECK: for.cond.us:
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; CHECK-NEXT: [[TMP0:%.*]] = xor i1 [[B:%.*]], true
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; CHECK-NEXT: call void @llvm.assume(i1 [[TMP0]])
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; CHECK-NEXT: br label [[FOR_COND_US]]
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;
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entry:
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br label %for.cond.us
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for.cond.us: ; preds = %for.cond.us, %entry
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br i1 %B, label %for.cond4.preheader, label %for.cond.us
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for.cond4.preheader: ; preds = %for.cond.us
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br i1 %B, label %for.cond4.preheader.split.us, label %for.cond4
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for.cond4.preheader.split.us: ; preds = %for.cond4.preheader
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unreachable
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for.cond4: ; preds = %for.end, %for.cond4.preheader
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%phi = phi i32* [ %call, %for.end ], [ undef, %for.cond4.preheader ]
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%call = call i32* @fn1(i32* %phi)
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br label %for.cond5
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for.cond5: ; preds = %for.cond5, %for.cond4
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br i1 %B, label %for.cond5, label %for.end
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for.end: ; preds = %for.cond5
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%load = load i32, i32* %call, align 4
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br label %for.cond4
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}
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