| ; RUN: opt -enable-new-pm=0 -enable-mssa-loop-dependency -verify-memoryssa -loop-rotate -S %s | FileCheck %s |
| ; RUN: opt -verify-memoryssa -passes='loop-mssa(loop-rotate)' -S %s | FileCheck %s |
| ; REQUIRES: asserts |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-grtev4-linux-gnu" |
| |
| ; Check verification passes after loop rotate, when adding phis in blocks |
| ; receiving incoming edges and adding phis in IDF blocks. |
| ; CHECK-LABEL: @f |
| define void @f() align 32 { |
| entry: |
| br label %while.cond.outer |
| |
| while.cond80.while.cond.loopexit_crit_edge: ; preds = %if.else99 |
| br label %while.cond.outer |
| |
| while.cond.outer: ; preds = %while.cond80.while.cond.loopexit_crit_edge, %entry |
| br i1 undef, label %while.cond.outer.return.loopexit2_crit_edge, label %while.body.lr.ph |
| |
| while.body.lr.ph: ; preds = %while.cond.outer |
| br label %while.body |
| |
| while.body: ; preds = %while.body.lr.ph |
| br i1 undef, label %if.then42, label %if.end61 |
| |
| if.then42: ; preds = %while.body |
| br label %return.loopexit2 |
| |
| if.end61: ; preds = %while.body |
| br label %while.body82 |
| |
| while.body82: ; preds = %if.end61 |
| br i1 undef, label %return.loopexit, label %if.else99 |
| |
| if.else99: ; preds = %while.body82 |
| store i32 0, i32* inttoptr (i64 44 to i32*), align 4 |
| br label %while.cond80.while.cond.loopexit_crit_edge |
| |
| return.loopexit: ; preds = %while.body82 |
| br label %return |
| |
| while.cond.outer.return.loopexit2_crit_edge: ; preds = %while.cond.outer |
| br label %return.loopexit2 |
| |
| return.loopexit2: ; preds = %while.cond.outer.return.loopexit2_crit_edge, %if.then42 |
| br label %return |
| |
| return: ; preds = %return.loopexit2, %return.loopexit |
| ret void |
| } |
| |
