Files
clang-p2996/llvm/test/Transforms/FunctionSpecialization/function-specialization-minsize3.ll
Nikita Popov 96a14f388b Revert "[FuncSpec] Replace LoopInfo with BlockFrequencyInfo"
As reported on https://reviews.llvm.org/D150375#4367861 and
following, this change causes PDT invalidation issues. Revert
it and dependent commits.

This reverts commit 0524534d52.
This reverts commit ced90d1ff6.
This reverts commit 9f992cc935.
This reverts commit 1b1232047e.
2023-05-30 14:49:03 +02:00

49 lines
1.0 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.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 }