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; RUN: opt < %s -S -basicaa -licm | FileCheck %s
; This fixes PR22460
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc"
@in = internal unnamed_addr global i32* null, align 8
@out = internal unnamed_addr global i32* null, align 8
; CHECK-LABEL: @bar
; CHECK: entry:
; CHECK: load i64, i64* bitcast (i32** @in to i64*)
; CHECK: do.body:
; CHECK-NOT: load
define i64 @bar(i32 %N) {
entry:
br label %do.body
do.body: ; preds = %l2, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %l2 ]
%total = phi i64 [ 0, %entry ], [ %next, %l2 ]
%c = icmp eq i32 %N, 6
br i1 %c, label %l1, label %do.body.l2_crit_edge
do.body.l2_crit_edge: ; preds = %do.body
%inval.pre = load i32*, i32** @in, align 8
br label %l2
l1: ; preds = %do.body
%v1 = load i64, i64* bitcast (i32** @in to i64*), align 8
store i64 %v1, i64* bitcast (i32** @out to i64*), align 8
%0 = inttoptr i64 %v1 to i32*
br label %l2
l2: ; preds = %do.body.l2_crit_edge, %l1
%inval = phi i32* [ %inval.pre, %do.body.l2_crit_edge ], [ %0, %l1 ]
%int = ptrtoint i32* %inval to i64
%next = add i64 %total, %int
%inc = add nsw i32 %i.0, 1
%cmp = icmp slt i32 %inc, %N
br i1 %cmp, label %do.body, label %do.end
do.end: ; preds = %l2
ret i64 %total
}
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