llvm-project/llvm/test/tools/llvm-reduce/reduce-operands-skip-token.ll
Matt Arsenault ac55688482
llvm-reduce: Add test for token handling in operands-skip (#133857)
Seems to work correctly but wasn't tested.
2025-04-01 22:17:44 +07:00

28 lines
1.1 KiB
LLVM

; Check token values are correctly handled by operands-skip
; RUN: llvm-reduce --abort-on-invalid-reduction --delta-passes=operands-skip --test FileCheck --test-arg --check-prefix=INTERESTING --test-arg %s --test-arg --input-file %s -o %t
; RUN: FileCheck -check-prefix=RESULT %s < %t
; INTERESTING-LABEL: define void @tokens(
; INTERESTING: call void @llvm.token.consumer
; RESULT-LABEL: define void @tokens(ptr %ptr) {
; RESULT-NEXT: %token = call token @llvm.token.producer()
; RESULT-NEXT:store i32 0, ptr %ptr, align 4
; RESULT-NEXT:%chain = call token @llvm.token.chain(token %token)
; RESULT-NEXT:call void @llvm.token.consumer(token %token)
; RESULT-NEXT:store i32 1, ptr %ptr, align 4
; RESULT-NEXT:ret void
define void @tokens(ptr %ptr) {
%token = call token @llvm.token.producer()
store i32 0, ptr %ptr
%chain = call token @llvm.token.chain(token %token)
call void @llvm.token.consumer(token %chain) ; -> rewrite to use %token directly
store i32 1, ptr %ptr
ret void
}
declare token @llvm.token.producer()
declare token @llvm.token.chain(token)
declare void @llvm.token.consumer(token)