Imported Upstream version 5.18.0.167

Former-commit-id: 289509151e0fee68a1b591a20c9f109c3c789d3a

external/llvm/test/Transforms/IndVarSimplify/pr26973.ll

@@ -1,33 +0,0 @@
-; RUN: opt -S -indvars < %s | FileCheck %s
-
-target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-apple-macosx10.11.0"
-
-@a = common global double* null, align 8
-@b = common global double 0.000000e+00, align 8
-
-define void @fn1(i32 %p1) {
-; CHECK-LABEL: @fn1(
-entry:
-  %ld = load double*, double** @a, align 8
-  br label %outer.loop
-
-outer.loop:
-  %iv.outer = phi i32 [ %p1, %entry ], [ %iv.outer.dec, %outer.be ]
-  %idxprom = sext i32 %iv.outer to i64
-  %arrayidx = getelementptr inbounds double, double* %ld, i64 %idxprom
-  %arrayidx.bc = bitcast double* %arrayidx to i64*
-  br label %inner.loop
-
-inner.loop:
-  %iv.inner = phi i32 [ %iv.outer, %outer.loop ], [ %iv.inner.dec, %inner.loop ]
-  %ld.arr = load i64, i64* %arrayidx.bc, align 8
-  store i64 %ld.arr, i64* bitcast (double* @b to i64*), align 8
-  %iv.inner.dec = add nsw i32 %iv.inner, -1
-  %cmp = icmp slt i32 %iv.outer, %iv.inner.dec
-  br i1 %cmp, label %outer.be, label %inner.loop
-
-outer.be:
-  %iv.outer.dec = add nsw i32 %iv.outer, -1
-  br label %outer.loop
-}