blob: 6261d4b39eab5e9636c4e5d18f0ad1c03345a12a [file] [log] [blame]
; RUN: opt -S -Oz %s | FileCheck %s
@a = global i32 4
define i32 @inner() {
%a1 = load volatile i32, i32* @a
; 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, %a5
%ca = icmp sgt i32 %a6, -7
tail call void @llvm.assume(i1 %ca)
ret i32 %a1
; @inner() should be inlined for -Oz.
; CHECK-NOT: call i1 @inner
define i32 @outer() optsize {
%r = call i32 @inner()
ret i32 %r
declare void @llvm.assume(i1) nounwind