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; RUN: opt -inline -S < %s | FileCheck %s
; RUN: opt -passes='cgscc(inline)' -S < %s | FileCheck %s
; PR10162
; Make sure doit is not inlined since the blockaddress is taken
; which could be unsafe
; CHECK: store i8* blockaddress(@doit, %here), i8** %pptr, align 8
@i = global i32 1, align 4
@ptr1 = common global i8* null, align 8
define void @doit(i8** nocapture %pptr, i32 %cond) nounwind uwtable {
entry:
%tobool = icmp eq i32 %cond, 0
br i1 %tobool, label %if.end, label %here
here:
store i8* blockaddress(@doit, %here), i8** %pptr, align 8
br label %if.end
if.end:
ret void
}
define void @f(i32 %cond) nounwind uwtable {
entry:
call void @doit(i8** @ptr1, i32 %cond)
ret void
}
; PR27233: We can inline @run into @init. Don't crash on it.
;
; CHECK-LABEL: define void @init
; CHECK: store i8* blockaddress(@run, %bb)
; CHECK-SAME: @run.bb
define void @init() {
entry:
call void @run()
ret void
}
define void @run() {
entry:
store i8* blockaddress(@run, %bb), i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @run.bb, i64 0, i64 0), align 8
ret void
bb:
unreachable
}
@run.bb = global [1 x i8*] zeroinitializer
; Check that a function referenced by a global blockaddress wont be inlined,
; even if it contains a callbr. We might be able to relax this in the future
; as long as the global blockaddress is updated correctly.
@ba = internal global i8* blockaddress(@foo, %7), align 8
define internal i32 @foo(i32) {
%2 = alloca i32, align 4
%3 = alloca i32, align 4
store i32 %0, i32* %3, align 4
%4 = load i32, i32* %3, align 4
callbr void asm sideeffect "testl $0, $0; jne ${1:l};", "r,i,i,~{dirflag},~{fpsr},~{flags}"(i32 %4, i8* blockaddress(@foo, %7), i8* blockaddress(@foo, %6)) #1
to label %5 [label %7, label %6]
; <label>:5: ; preds = %1
store i32 0, i32* %2, align 4
br label %8
; <label>:6: ; preds = %1
store i32 1, i32* %2, align 4
br label %8
; <label>:7: ; preds = %1
store i32 2, i32* %2, align 4
br label %8
; <label>:8: ; preds = %7, %6, %5
%9 = load i32, i32* %2, align 4
ret i32 %9
}
define dso_local i32 @bar() {
%1 = call i32 @foo(i32 0)
ret i32 %1
}
; CHECK: define dso_local i32 @bar() {
; CHECK: %1 = call i32 @foo(i32 0)
; CHECK: ret i32 %1
; CHECK: }
; Triple check that even with a global aggregate whose member is a blockaddress,
; we still don't inline referred to functions.
%struct.foo = type { i8* }
@my_foo = dso_local global %struct.foo { i8* blockaddress(@baz, %7) }
define internal i32 @baz(i32) {
%2 = alloca i32, align 4
%3 = alloca i32, align 4
store i32 %0, i32* %3, align 4
%4 = load i32, i32* %3, align 4
callbr void asm sideeffect "testl $0, $0; jne ${1:l};", "r,i,i,~{dirflag},~{fpsr},~{flags}"(i32 %4, i8* blockaddress(@baz, %7), i8* blockaddress(@baz, %6)) #1
to label %5 [label %7, label %6]
; <label>:5: ; preds = %1
store i32 0, i32* %2, align 4
br label %8
; <label>:6: ; preds = %1
store i32 1, i32* %2, align 4
br label %8
; <label>:7: ; preds = %1
store i32 2, i32* %2, align 4
br label %8
; <label>:8: ; preds = %7, %6, %5
%9 = load i32, i32* %2, align 4
ret i32 %9
}
define dso_local i32 @quux() {
%1 = call i32 @baz(i32 0)
ret i32 %1
}
; CHECK: define dso_local i32 @quux() {
; CHECK: %1 = call i32 @baz(i32 0)
; CHECK: ret i32 %1
; CHECK: }
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