| ; RUN: opt < %s -indvars -S -enable-iv-rewrite | FileCheck %s |
| ; CHECK-NOT: {{inttoptr|ptrtoint}} |
| ; CHECK: scevgep |
| ; CHECK-NOT: {{inttoptr|ptrtoint}} |
| 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-n32:64" |
| |
| ; 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() |