Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/Transforms/IndVarSimplify/pr24783.ll

@@ -0,0 +1,27 @@
+; RUN: opt -S -indvars < %s | FileCheck %s
+
+target datalayout = "E-m:e-i64:64-n32:64"
+target triple = "powerpc64-unknown-linux-gnu"
+
+define void @f(i32* %end.s, i8** %loc, i32 %p) {
+; CHECK-LABEL: @f(
+entry:
+  %end = getelementptr inbounds i32, i32* %end.s, i32 %p
+  %init = bitcast i32* %end.s to i8*
+  br label %while.body.i
+
+while.body.i:
+  %ptr = phi i8* [ %ptr.inc, %while.body.i ], [ %init, %entry ]
+  %ptr.inc = getelementptr inbounds i8, i8* %ptr, i8 1
+  %ptr.inc.cast = bitcast i8* %ptr.inc to i32*
+  %cmp.i = icmp eq i32* %ptr.inc.cast, %end
+  br i1 %cmp.i, label %loop.exit, label %while.body.i
+
+loop.exit:
+; CHECK: loop.exit:
+; CHECK: [[END_BCASTED:%[a-z0-9]+]] = bitcast i32* %end to i8*
+; CHECK: store i8* [[END_BCASTED]], i8** %loc
+  %ptr.inc.lcssa = phi i8* [ %ptr.inc, %while.body.i ]
+  store i8* %ptr.inc.lcssa, i8** %loc
+  ret void
+}