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; RUN: opt -prune-eh -inline -jump-threading -S < %s | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
@d = external global i32*, align 8
define void @fn3(i1 %B) {
entry:
br i1 %B, label %if.end, label %if.then
if.then: ; preds = %entry
call void @fn2(i1 %B)
ret void
if.end: ; preds = %entry
call void @fn2(i1 %B)
ret void
}
define internal void @fn2(i1 %B) unnamed_addr {
entry:
call void @fn1()
call void @fn1()
call void @fn1()
br i1 %B, label %if.end, label %if.then
if.then:
unreachable
if.end:
unreachable
}
; CHECK-LABEL: define internal void @fn2(
; CHECK: %[[LOAD:.*]] = load i32*, i32** @d, align 8
; CHECK: %tobool1.i = icmp eq i32* %[[LOAD]], null
define internal void @fn1() unnamed_addr {
entry:
br label %for.body
for.body: ; preds = %entry
%0 = load i32*, i32** @d, align 8
%tobool1 = icmp eq i32* %0, null
br i1 %tobool1, label %cond.false, label %cond.end
cond.false: ; preds = %for.body
call void @__assert_fail(i8* null)
unreachable
cond.end: ; preds = %for.body
%1 = load i32*, i32** @d, align 8
%cmp = icmp eq i32* %1, null
br i1 %cmp, label %cond.end4, label %cond.false3
cond.false3: ; preds = %cond.end
call void @__assert_fail(i8* null)
unreachable
cond.end4: ; preds = %cond.end
call void @__assert_fail(i8* null)
unreachable
for.end: ; No predecessors!
ret void
}
declare void @__assert_fail(i8*)
; Function Attrs: noreturn nounwind
declare void @llvm.trap() #0
attributes #0 = { noreturn nounwind }
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