2009-09-26 16:11:57 +00:00
|
|
|
; RUN: opt < %s -indvars -S > %t
|
|
|
|
|
; RUN: not grep inttoptr %t
|
|
|
|
|
; RUN: not grep ptrtoint %t
|
|
|
|
|
; RUN: grep scevgep %t
|
2011-03-18 16:50:32 +00:00
|
|
|
target datalayout = "E-p:64:64:64-a0:0:8-f32:32:32-f64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-v64:64:64-v128:128:128-n:32:64"
|
2009-09-26 16:11:57 +00:00
|
|
|
|
|
|
|
|
; Indvars shouldn't need inttoptr/ptrtoint to expand an address here.
|
|
|
|
|
|
|
|
|
|
define void @foo(i8* %p) nounwind {
|
|
|
|
|
entry:
|
|
|
|
|
br i1 true, label %bb.nph, label %for.end
|
|
|
|
|
|
|
|
|
|
for.cond:
|
|
|
|
|
%phitmp = icmp slt i64 %inc, 20
|
|
|
|
|
br i1 %phitmp, label %for.body, label %for.cond.for.end_crit_edge
|
|
|
|
|
|
|
|
|
|
for.cond.for.end_crit_edge:
|
|
|
|
|
br label %for.end
|
|
|
|
|
|
|
|
|
|
bb.nph:
|
|
|
|
|
br label %for.body
|
|
|
|
|
|
|
|
|
|
for.body:
|
|
|
|
|
%storemerge1 = phi i64 [ %inc, %for.cond ], [ 0, %bb.nph ]
|
|
|
|
|
%call = tail call i64 @bar() nounwind
|
|
|
|
|
%call2 = tail call i64 @car() nounwind
|
|
|
|
|
%conv = trunc i64 %call2 to i8
|
|
|
|
|
%conv3 = sext i8 %conv to i64
|
|
|
|
|
%add = add nsw i64 %call, %storemerge1
|
|
|
|
|
%add4 = add nsw i64 %add, %conv3
|
|
|
|
|
%arrayidx = getelementptr inbounds i8* %p, i64 %add4
|
|
|
|
|
store i8 0, i8* %arrayidx
|
|
|
|
|
%inc = add nsw i64 %storemerge1, 1
|
|
|
|
|
br label %for.cond
|
|
|
|
|
|
|
|
|
|
for.end:
|
|
|
|
|
ret void
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
declare i64 @bar()
|
|
|
|
|
|
|
|
|
|
declare i64 @car()
|
