blob: 4321b2fecc3cd60c154ee590d8eba4b5f7af679c [file] [log] [blame]
; RUN: opt -function-specialization -func-specialization-size-threshold=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.1(i64 %x, i64 (i64)* @plus)
; CHECK: br label %merge
; CHECK: minus:
; CHECK: %tmp1 = call i64 @compute(i64 %x, i64 (i64)* @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, i64 (i64)* @plus)
br label %merge
minus:
%tmp1 = call i64 @compute(i64 %x, i64 (i64)* @minus) #0
br label %merge
merge:
%tmp2 = phi i64 [ %tmp0, %plus ], [ %tmp1, %minus]
ret i64 %tmp2
}
define internal i64 @compute(i64 %x, i64 (i64)* %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 }