1; RUN: opt < %s -indvars -S | FileCheck %s
2; Test indvars' ability to hoist new sext created by WidenIV.
3; From ffbench.
4
5target 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"
6define internal double @fourn(double* %data, i32 %x, i32 %y, i32 %n) nounwind {
7; CHECK: entry:
8; CHECK: sext
9; CHECK: sext
10entry:
11  br label %for.body
12
13; CHECK: for.body:
14; CHECK-NOT: sext
15; CHECK: br
16for.body:
17  %i2.115 = phi i32 [ 0, %entry ], [ %add249, %for.body ]
18  %add174 = add nsw i32 %i2.115, %x
19  %idxprom177 = sext i32 %add174 to i64
20  %arrayidx179 = getelementptr inbounds double, double* %data, i64 %idxprom177
21  %tmp180 = load double, double* %arrayidx179, align 8
22  %add249 = add nsw i32 %i2.115, %y
23  %cmp168 = icmp sgt i32 %add249, %n
24  br i1 %cmp168, label %exit, label %for.body
25
26exit:
27  ret double %tmp180
28}
29