1
0
mirror of https://github.com/RPCS3/llvm-mirror.git synced 2024-11-25 20:23:11 +01:00
llvm-mirror/test/Transforms/Inline/ephemeral.ll
Teresa Johnson 9f1abbf262 Require asserts for test that uses debug flag
In 10b781fb033ee8d8a02e1050976b3832ad50542a this test was changed to use
the -debug-only flag, which means it now requires asserts aka a
non-release compiler.
2021-04-23 15:23:47 -07:00

37 lines
997 B
LLVM

; RUN: opt -S -inline %s -debug-only=inline-cost 2>&1 | FileCheck %s
; REQUIRES: asserts
; Only the load and ret should be included in the instruction count, not
; the instructions feeding the assume.
; CHECK: NumInstructions: 2
@a = global i32 4
define i32 @inner(i8* %y) {
%a1 = load volatile i32, i32* @a
; Because these instructions are used only by the @llvm.assume intrinsic,
; they're free and should not be included in the instruction count when
; computing the inline cost.
%a2 = mul i32 %a1, %a1
%a3 = sub i32 %a1, %a2
%a4 = udiv i32 %a3, -13
%a5 = mul i32 %a4, %a4
%a6 = add i32 %a5, %a5
%ca = icmp sgt i32 %a6, -7
%r = call i1 @llvm.type.test(i8* %y, metadata !0)
%ca2 = icmp eq i1 %ca, %r
tail call void @llvm.assume(i1 %ca2)
ret i32 %a1
}
define i32 @outer(i8* %y) optsize {
%r = call i32 @inner(i8* %y)
ret i32 %r
}
declare void @llvm.assume(i1) nounwind
declare i1 @llvm.type.test(i8*, metadata) nounwind readnone
!0 = !{i32 0, !"typeid1"}