forked from OSchip/llvm-project
52 lines
1.9 KiB
LLVM
52 lines
1.9 KiB
LLVM
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; RUN: opt -enable-mssa-loop-dependency -verify-memoryssa -loop-rotate -S %s | FileCheck %s
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; REQUIRES: asserts
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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-grtev4-linux-gnu"
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; Check verification passes after loop rotate, when adding phis in blocks
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; receiving incoming edges and adding phis in IDF blocks.
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; CHECK-LABEL: @f
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define void @f() align 32 {
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entry:
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br label %while.cond.outer
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while.cond80.while.cond.loopexit_crit_edge: ; preds = %if.else99
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br label %while.cond.outer
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while.cond.outer: ; preds = %while.cond80.while.cond.loopexit_crit_edge, %entry
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br i1 undef, label %while.cond.outer.return.loopexit2_crit_edge, label %while.body.lr.ph
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while.body.lr.ph: ; preds = %while.cond.outer
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br label %while.body
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while.body: ; preds = %while.body.lr.ph
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br i1 undef, label %if.then42, label %if.end61
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if.then42: ; preds = %while.body
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br label %return.loopexit2
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if.end61: ; preds = %while.body
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br label %while.body82
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while.body82: ; preds = %if.end61
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br i1 undef, label %return.loopexit, label %if.else99
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if.else99: ; preds = %while.body82
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store i32 0, i32* inttoptr (i64 44 to i32*), align 4
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br label %while.cond80.while.cond.loopexit_crit_edge
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return.loopexit: ; preds = %while.body82
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br label %return
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while.cond.outer.return.loopexit2_crit_edge: ; preds = %while.cond.outer
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br label %return.loopexit2
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return.loopexit2: ; preds = %while.cond.outer.return.loopexit2_crit_edge, %if.then42
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br label %return
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return: ; preds = %return.loopexit2, %return.loopexit
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ret void
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}
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