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; RUN: opt -S -simplifycfg < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@GV = external constant i64*
define i64* @test1(i1 %cond, i8* %P) {
entry:
br i1 %cond, label %if, label %then
then:
%bc = bitcast i8* %P to i64*
br label %join
if:
%load = load i64*, i64** @GV, align 8, !dereferenceable !0
br label %join
join:
%phi = phi i64* [ %bc, %then ], [ %load, %if ]
ret i64* %phi
}
; CHECK-LABEL: define i64* @test1(
; CHECK: %[[bc:.*]] = bitcast i8* %P to i64*
; CHECK: %[[load:.*]] = load i64*, i64** @GV, align 8{{$}}
; CHECK: %[[phi:.*]] = select i1 %cond, i64* %[[load]], i64* %[[bc]]
; CHECK: ret i64* %[[phi]]
!0 = !{i64 8}
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