mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-11-23 11:13:28 +01:00
a62270de2c
The reversion apparently deleted the test/Transforms directory. Will be re-reverting again. llvm-svn: 358552
31 lines
680 B
LLVM
31 lines
680 B
LLVM
; 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
|
|
|