forked from OSchip/llvm-project
47 lines
1.3 KiB
LLVM
47 lines
1.3 KiB
LLVM
; 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, i32* @a
|
|
%x1 = add i32 %a1, %a1
|
|
%a2 = load volatile i32, i32* @a
|
|
%x2 = add i32 %x1, %a2
|
|
%a3 = load volatile i32, i32* @a
|
|
%x3 = add i32 %x2, %a3
|
|
%a4 = load volatile i32, i32* @a
|
|
%x4 = add i32 %x3, %a4
|
|
%a5 = load volatile i32, i32* @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() |