Hari Limaye 06664fdc76
[FuncSpec] Enable SpecializeLiteralConstant by default (#113442)
Enable specialization on literal constant arguments by default in
Function Specialization.

---------

Co-authored-by: Alexandros Lamprineas <alexandros.lamprineas@arm.com>
2024-10-29 11:41:25 +00:00

28 lines
792 B
LLVM

; RUN: opt -S --passes="default<O3>" -funcspec-for-literal-constant=false < %s | FileCheck %s
define dso_local i32 @g0(i32 noundef %x) local_unnamed_addr {
entry:
%call = tail call fastcc i32 @f(i32 noundef %x, ptr noundef nonnull @p0)
ret i32 %call
}
define internal fastcc i32 @f(i32 noundef %x, ptr nocapture noundef readonly %p) noinline {
entry:
%call = tail call i32 %p(i32 noundef %x)
%add = add nsw i32 %call, %x
ret i32 %add
}
define dso_local i32 @g1(i32 noundef %x) {
entry:
%call = tail call fastcc i32 @f(i32 noundef %x, ptr noundef nonnull @p1)
ret i32 %call
}
declare i32 @p0(i32 noundef)
declare i32 @p1(i32 noundef)
;; Tests that `f` has been fully specialize and it didn't cause compiler crash.
;; CHECK-DAG: f.specialized.1
;; CHECK-DAG: f.specialized.2