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; RUN: opt -S -Oz %s | FileCheck %s
@a = global i32 4
define i1 @inner() {
%a1 = load volatile i32, i32* @a
%x1 = add i32 %a1, %a1
%c = icmp eq i32 %x1, 0
; Here are enough instructions to prevent inlining, but because they are used
; only by the @llvm.assume intrinsic, they're free (and, thus, inlining will
; still happen).
%a2 = mul i32 %a1, %a1
%a3 = sub i32 %a1, 5
%a4 = udiv i32 %a3, -13
%a5 = mul i32 %a4, %a4
%a6 = add i32 %a5, %x1
%ca = icmp sgt i32 %a6, -7
tail call void @llvm.assume(i1 %ca)
ret i1 %c
}
; @inner() should be inlined for -Oz.
; CHECK-NOT: call i1 @inner
define i1 @outer() optsize {
%r = call i1 @inner()
ret i1 %r
}
declare void @llvm.assume(i1) nounwind
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