llvm-project/llvm/test/Transforms/LICM/strlen.ll

20 lines
446 B
LLVM

; RUN: opt -S -inferattrs -basic-aa -licm < %s | FileCheck %s
define void @test(i64* noalias %loc, i8* noalias %a) {
; CHECK-LABEL: @test
; CHECK: @strlen
; CHECK-LABEL: loop:
br label %loop
loop:
%res = call i64 @strlen(i8* %a)
store i64 %res, i64* %loc
br label %loop
}
; CHECK: declare i64 @strlen(i8* nocapture) #0
; CHECK: attributes #0 = { argmemonly mustprogress nofree nounwind readonly willreturn }
declare i64 @strlen(i8*)