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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -S -passes=instcombine < %s | FileCheck %s
; This does not reach a fixpoint, because the global initializer is not in
; folded form. This will not happen if preceded by a GlobalOpt run.
target datalayout = "p:8:8"
@g = external global i8
@c = constant ptr getelementptr inbounds (i8, ptr @g, i64 1)
define i1 @test(ptr %p) "instcombine-no-verify-fixpoint" {
; CHECK-LABEL: @test(
; CHECK-NEXT: [[CMP:%.*]] = icmp eq ptr [[P:%.*]], getelementptr inbounds (i8, ptr @g, i64 1)
; CHECK-NEXT: ret i1 [[CMP]]
;
%alloca = alloca ptr
call void @llvm.memcpy.p0.p0.i32(ptr %alloca, ptr @c, i32 0, i1 false)
%load = load ptr, ptr %alloca
%cmp = icmp eq ptr %p, %load
ret i1 %cmp
}
declare void @llvm.memcpy.p0.p0.i32(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i32, i1 immarg)
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