| ; RUN: opt -loop-reduce %s -o - -S | FileCheck %s |
| ; RUN: opt -passes='loop(loop-reduce)' %s -o - -S | FileCheck %s |
| |
| target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| |
| define dso_local i32 @test1() local_unnamed_addr { |
| entry: |
| br label %for.cond |
| |
| for.cond: ; preds = %for.inc, %entry |
| ; It's ok to modify this test in the future should be able to split critical |
| ; edges here, just noting that this is the critical edge that we care about. |
| ; CHECK: callbr void asm sideeffect "", "X,X,~{dirflag},~{fpsr},~{flags}"(i8* blockaddress(@test1, %cond.true.i), i8* blockaddress(@test1, %for.end)) |
| ; CHECK-NEXT: to label %asm.fallthrough.i.i [label %cond.true.i, label %for.end] |
| callbr void asm sideeffect "", "X,X,~{dirflag},~{fpsr},~{flags}"(i8* blockaddress(@test1, %cond.true.i), i8* blockaddress(@test1, %for.end)) |
| to label %asm.fallthrough.i.i [label %cond.true.i, label %for.end] |
| |
| asm.fallthrough.i.i: ; preds = %for.cond |
| unreachable |
| |
| cond.true.i: ; preds = %for.cond |
| br label %do.body.i.i.do.body.i.i_crit_edge |
| |
| do.body.i.i.do.body.i.i_crit_edge: ; preds = %do.body.i.i.do.body.i.i_crit_edge, %cond.true.i |
| %pgocount711 = phi i64 [ %0, %do.body.i.i.do.body.i.i_crit_edge ], [ 0, %cond.true.i ] |
| %0 = add nuw nsw i64 %pgocount711, 1 |
| br i1 undef, label %do.body.i.i.rdrand_int.exit.i_crit_edge, label %do.body.i.i.do.body.i.i_crit_edge |
| |
| do.body.i.i.rdrand_int.exit.i_crit_edge: ; preds = %do.body.i.i.do.body.i.i_crit_edge |
| %1 = add i64 %0, undef |
| br i1 undef, label %for.end, label %for.inc |
| |
| for.inc: ; preds = %do.body.i.i.rdrand_int.exit.i_crit_edge |
| br label %for.cond |
| |
| for.end: ; preds = %do.body.i.i.rdrand_int.exit.i_crit_edge, %for.cond |
| %pgocount.promoted24 = phi i64 [ undef, %for.cond ], [ %1, %do.body.i.i.rdrand_int.exit.i_crit_edge ] |
| ret i32 undef |
| } |
