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; RUN: opt -S -Oz < %s | FileCheck %s -check-prefix=OZ
; RUN: opt -S -O2 < %s | FileCheck %s -check-prefix=O2
; RUN: opt -S -Os < %s | FileCheck %s -check-prefix=OS
; The inline threshold for a function with the optsize attribute is currently
; the same as the global inline threshold for -Os. Check that the optsize
; function attribute doesn't alter the function-specific inline threshold if the
; global inline threshold is lower (as for -Oz).
@a = global i32 4
; This function should be larger than the inline threshold for -Oz (25), but
; smaller than the inline threshold for optsize (75).
define i32 @inner() {
call void @extern()
%a1 = load volatile i32, ptr @a
%x1 = add i32 %a1, %a1
%a2 = load volatile i32, ptr @a
%x2 = add i32 %x1, %a2
%a3 = load volatile i32, ptr @a
%x3 = add i32 %x2, %a3
%a4 = load volatile i32, ptr @a
%x4 = add i32 %x3, %a4
%a5 = load volatile i32, ptr @a
%x5 = add i32 %x3, %a5
ret i32 %x5
}
; @inner() should be inlined for -O2 and -Os but not for -Oz.
; OZ: call
; O2-NOT: call
; OS-NOT: call
define i32 @outer() optsize {
%r = call i32 @inner()
ret i32 %r
}
; @inner() should not be inlined for -O2, -Os and -Oz.
; OZ: call
; O2: call
; OS: call
define i32 @outer2() minsize {
%r = call i32 @inner()
ret i32 %r
}
declare void @extern()
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