1 ; RUN: opt < %s -passes=indvars -S | FileCheck %s
2 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-S128"
3 target triple = "x86_64-apple-macosx"
6 ; CHECK: %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
7 define i32 @test1(ptr %a) #0 {
11 for.cond: ; preds = %for.body, %entry
12 %sum.0 = phi i32 [ 0, %entry ], [ %add, %for.body ]
13 %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.body ]
14 %cmp = icmp slt i32 %i.0, 1000
15 br i1 %cmp, label %for.body, label %for.end
17 for.body: ; preds = %for.cond
18 %idxprom = sext i32 %i.0 to i64
19 %arrayidx = getelementptr inbounds i32, ptr %a, i64 %idxprom
20 %0 = load i32, ptr %arrayidx, align 4
21 %add = add nsw i32 %sum.0, %0
22 %inc = add nsw i32 %i.0, 1
25 for.end: ; preds = %for.cond
29 attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "frame-pointer"="all" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }