1 ; RUN: opt -S -passes=indvars < %s | FileCheck %s
3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
4 target triple = "x86_64-apple-macosx10.11.0"
6 @a = common global ptr null, align 8
7 @b = common global double 0.000000e+00, align 8
9 define void @fn1(i32 %p1) {
12 %ld = load ptr, ptr @a, align 8
16 %iv.outer = phi i32 [ %p1, %entry ], [ %iv.outer.dec, %outer.be ]
17 %idxprom = sext i32 %iv.outer to i64
18 %arrayidx = getelementptr inbounds double, ptr %ld, i64 %idxprom
22 %iv.inner = phi i32 [ %iv.outer, %outer.loop ], [ %iv.inner.dec, %inner.loop ]
23 %ld.arr = load i64, ptr %arrayidx, align 8
24 store i64 %ld.arr, ptr @b, align 8
25 %iv.inner.dec = add nsw i32 %iv.inner, -1
26 %cmp = icmp slt i32 %iv.outer, %iv.inner.dec
27 br i1 %cmp, label %outer.be, label %inner.loop
30 %iv.outer.dec = add nsw i32 %iv.outer, -1