44 lines
1.4 KiB
LLVM
44 lines
1.4 KiB
LLVM
; RUN: opt < %s -indvars
|
|
; PR4315
|
|
|
|
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-f80:128:128"
|
|
target triple = "x86_64-undermydesk-freebsd8.0"
|
|
%struct.mbuf = type <{ %struct.mbuf*, i8*, i32, i8, i8, i8, i8 }>
|
|
|
|
define i32 @crash(%struct.mbuf* %m) nounwind {
|
|
entry:
|
|
br label %for.cond
|
|
|
|
for.cond: ; preds = %if.end, %entry
|
|
%i.0 = phi i32 [ 0, %entry ], [ %inc, %if.end ] ; <i32> [#uses=3]
|
|
%chksum.0 = phi i8 [ 0, %entry ], [ %conv3, %if.end ] ; <i8> [#uses=3]
|
|
%cmp = icmp slt i32 %i.0, 1 ; <i1> [#uses=1]
|
|
br i1 %cmp, label %for.body, label %do.body
|
|
|
|
for.body: ; preds = %for.cond
|
|
br i1 undef, label %if.end, label %do.body
|
|
|
|
if.end: ; preds = %for.body
|
|
%i.02 = trunc i32 %i.0 to i8 ; <i8> [#uses=1]
|
|
%conv3 = add i8 %chksum.0, %i.02 ; <i8> [#uses=1]
|
|
%inc = add i32 %i.0, 1 ; <i32> [#uses=1]
|
|
br label %for.cond
|
|
|
|
do.body: ; preds = %do.cond, %for.body, %for.cond
|
|
%chksum.2 = phi i8 [ undef, %do.cond ], [ %chksum.0, %for.body ], [ %chksum.0, %for.cond ] ; <i8> [#uses=1]
|
|
br i1 undef, label %do.cond, label %bb.nph
|
|
|
|
bb.nph: ; preds = %do.body
|
|
br label %while.body
|
|
|
|
while.body: ; preds = %while.body, %bb.nph
|
|
%chksum.13 = phi i8 [ undef, %while.body ], [ %chksum.2, %bb.nph ] ; <i8> [#uses=0]
|
|
br i1 undef, label %do.cond, label %while.body
|
|
|
|
do.cond: ; preds = %while.body, %do.body
|
|
br i1 false, label %do.end, label %do.body
|
|
|
|
do.end: ; preds = %do.cond
|
|
ret i32 0
|
|
}
|