llvm/test/Transforms/Inline/inline-optsize.ll
Dmitri Gribenko b4912b9dcc Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID
This is done to avoid odd test failures, like the one fixed in r171243.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171246 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-30 01:28:40 +00:00

34 lines
1009 B
LLVM

; RUN: opt -S -Oz < %s | FileCheck %s -check-prefix=OZ
; RUN: opt -S -O2 < %s | FileCheck %s -check-prefix=O2
; 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 don'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() {
%a1 = load volatile i32* @a
%x1 = add i32 %a1, %a1
%a2 = load volatile i32* @a
%x2 = add i32 %x1, %a2
%a3 = load volatile i32* @a
%x3 = add i32 %x2, %a3
%a4 = load volatile i32* @a
%x4 = add i32 %x3, %a4
%a5 = load volatile i32* @a
%x5 = add i32 %x3, %a5
ret i32 %x5
}
; @inner() should be inlined for -O2 but not for -Oz.
; OZ: call
; O2-NOT: call
define i32 @outer() optsize {
%r = call i32 @inner()
ret i32 %r
}