2010-12-26-PHIInfiniteLoop.ll
1.56 KB
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; RUN: opt < %s -loop-simplify -S
; PR8702
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
target triple = "x86_64-unknown-freebsd9.0"
declare void @foo(i32 %x)
define fastcc void @inm_merge() nounwind {
entry:
br label %for.cond
for.cond: ; preds = %while.cond36.i, %entry
br i1 undef, label %do.body, label %for.body
for.body: ; preds = %for.cond
br i1 undef, label %while.cond36.i, label %if.end44
if.end44: ; preds = %for.body
%call49 = call fastcc i32 @inm_get_source()
br i1 undef, label %if.end54, label %for.cond64
if.end54: ; preds = %if.end44
br label %while.cond36.i
while.cond36.i: ; preds = %if.end54, %for.body
br label %for.cond
for.cond64: ; preds = %if.end88, %for.cond64, %if.end44
%error.161 = phi i32 [ %error.161, %for.cond64 ], [ %error.161, %if.end88 ], [ %call49, %if.end44 ]
call void @foo(i32 %error.161)
br i1 undef, label %for.cond64, label %if.end88
if.end88: ; preds = %for.cond64
br i1 undef, label %for.cond64, label %if.end98
if.end98: ; preds = %if.end88
unreachable
do.body: ; preds = %for.cond
unreachable
}
declare fastcc i32 @inm_get_source() nounwind