1 ; RUN: opt -S -indvars < %s | FileCheck %s 2 3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 4 target triple = "x86_64-apple-macosx10.11.0" 5 6 @a = common global double* null, align 8 7 @b = common global double 0.000000e+00, align 8 8 9 define void @fn1(i32 %p1) { 10 ; CHECK-LABEL: @fn1( 11 entry: 12 %ld = load double*, double** @a, align 8 13 br label %outer.loop 14 15 outer.loop: 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, double* %ld, i64 %idxprom 19 %arrayidx.bc = bitcast double* %arrayidx to i64* 20 br label %inner.loop 21 22 inner.loop: 23 %iv.inner = phi i32 [ %iv.outer, %outer.loop ], [ %iv.inner.dec, %inner.loop ] 24 %ld.arr = load i64, i64* %arrayidx.bc, align 8 25 store i64 %ld.arr, i64* bitcast (double* @b to i64*), align 8 26 %iv.inner.dec = add nsw i32 %iv.inner, -1 27 %cmp = icmp slt i32 %iv.outer, %iv.inner.dec 28 br i1 %cmp, label %outer.be, label %inner.loop 29 30 outer.be: 31 %iv.outer.dec = add nsw i32 %iv.outer, -1 32 br label %outer.loop 33 } 34
