llvm-project/llvm/test/Transforms/FunctionSpecialization/function-specialization-minsize3.ll
Alexandros Lamprineas e15d72adac
[FuncSpec] Adjust the names of specializations and promoted stack values
Currently the naming scheme is a bit funky; the specializations are named
after the original function followed by an arbitrary decimal number. This
makes it hard to debug inlined specializations of recursive functions.
With this patch I am adding ".specialized." in between of the original
name and the suffix, which is now a single increment counter.
2023-09-19 14:40:31 +01:00

49 lines
1.1 KiB
LLVM

; RUN: opt -passes="ipsccp<func-spec>" -funcspec-min-function-size=3 -S < %s | FileCheck %s
; Checks for callsites that have been annotated with MinSize. We only expect
; specialisation for the call that does not have the attribute:
;
; CHECK: plus:
; CHECK: %tmp0 = call i64 @compute.specialized.1(i64 %x, ptr @plus)
; CHECK: br label %merge
; CHECK: minus:
; CHECK: %tmp1 = call i64 @compute(i64 %x, ptr @minus) #0
; CHECK: br label %merge
;
define i64 @main(i64 %x, i1 %flag) {
entry:
br i1 %flag, label %plus, label %minus
plus:
%tmp0 = call i64 @compute(i64 %x, ptr @plus)
br label %merge
minus:
%tmp1 = call i64 @compute(i64 %x, ptr @minus) #0
br label %merge
merge:
%tmp2 = phi i64 [ %tmp0, %plus ], [ %tmp1, %minus]
ret i64 %tmp2
}
define internal i64 @compute(i64 %x, ptr %binop) {
entry:
%tmp0 = call i64 %binop(i64 %x)
ret i64 %tmp0
}
define internal i64 @plus(i64 %x) {
entry:
%tmp0 = add i64 %x, 1
ret i64 %tmp0
}
define internal i64 @minus(i64 %x) {
entry:
%tmp0 = sub i64 %x, 1
ret i64 %tmp0
}
attributes #0 = { minsize optsize }